Error: RemovePasswordAndUserConfirmationFormFieldsPlugin::afterGetForm(): Argument #2 ($result) must be of type Magento\Framework\Data\Form, null given

[mohammedTBB]

Preconditions and environment

Magento v2.4.5 php v8.1 amasty/module-xcoupon v1.1.16

Steps to reproduce

1- Go to admin panel 2- Marketing 3-cart price rules 4-add new rule

Expected result

should open the form of creating a new rule without error.

Actual result

[2022-09-12T14:57:29.735745+00:00] main.CRITICAL: TypeError: Magento\AdminAdobeIms\Plugin\RemovePasswordAndUserConfirmationFormFieldsPlugin::afterGetForm(): Argument #2 ($result) must be of type Magento\Framework\Data\Form, null given, called in /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php on line 146 and defined in /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-admin-adobe-ims/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php:39

Stack trace:

0 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(146): Magento\AdminAdobeIms\Plugin\RemovePasswordAndUserConfirmationFormFieldsPlugin->afterGetForm()

1 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Amasty\Xcoupon\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Import\Interceptor->Magento\Framework\Interception{closure}()

2 /var/www/clients/client1/web5/web/releases/38/generated/code/Amasty/Xcoupon/Block/Adminhtml/Promo/Quote/Edit/Tab/Coupons/Import/Interceptor.php(23): Amasty\Xcoupon\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Import\Interceptor->___callPlugins()

3 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-backend/Block/Widget/Form.php(112): Amasty\Xcoupon\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Import\Interceptor->getForm()

4 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-backend/view/adminhtml/templates/widget/form.phtml(13): Magento\Backend\Block\Widget\Form->getFormHtml()

5 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/TemplateEngine/Php.php(71): include('...')

6 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\TemplateEngine\Php->render()

7 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\TemplateEngine\Php\Interceptor->___callParent()

8 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\TemplateEngine\Php\Interceptor->Magento\Framework\Interception{closure}()

9 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/Framework/View/TemplateEngine/Php/Interceptor.php(23): Magento\Framework\View\TemplateEngine\Php\Interceptor->___callPlugins()

10 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/Template.php(263): Magento\Framework\View\TemplateEngine\Php\Interceptor->render()

11 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/Template.php(293): Magento\Framework\View\Element\Template->fetchView()

12 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-backend/Block/Template.php(141): Magento\Framework\View\Element\Template->_toHtml()

13 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(1095): Magento\Backend\Block\Template->_toHtml()

14 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(1099): Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element{closure}()

15 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(660): Magento\Framework\View\Element\AbstractBlock->_loadCache()

16 /var/www/clients/client1/web5/web/releases/38/generated/code/Amasty/Xcoupon/Block/Adminhtml/Promo/Quote/Edit/Tab/Coupons/Import/Interceptor.php(32): Magento\Framework\View\Element\AbstractBlock->toHtml()

17 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(578): Amasty\Xcoupon\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Import\Interceptor->toHtml()

18 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(555): Magento\Framework\View\Layout->_renderBlock()

19 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

20 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(507): Magento\Framework\View\Layout->renderElement()

21 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\Element\AbstractBlock->getChildHtml()

22 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(138): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->___callParent()

23 /var/www/clients/client1/web5/web/releases/38/vendor/amasty/module-xcoupon/Plugin/SalesRule/Block/Adminhtml/Promo/Quote/Edit/Tab/Coupons.php(31): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->Magento\Framework\Interception{closure}()

24 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(135): Amasty\Xcoupon\Plugin\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons->aroundGetChildHtml()

25 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->Magento\Framework\Interception{closure}()

26 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/SalesRule/Block/Adminhtml/Promo/Quote/Edit/Tab/Coupons/Interceptor.php(23): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->___callPlugins()

27 /var/www/clients/client1/web5/web/releases/38/vendor/amasty/module-xcoupon/Plugin/SalesRule/Block/Adminhtml/Promo/Quote/Edit/Tab/Coupons.php(35): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->getChildHtml()

28 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(135): Amasty\Xcoupon\Plugin\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons->aroundGetChildHtml()

29 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->Magento\Framework\Interception{closure}()

30 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/SalesRule/Block/Adminhtml/Promo/Quote/Edit/Tab/Coupons/Interceptor.php(23): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->___callPlugins()

31 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-sales-rule/view/adminhtml/templates/tab/coupons.phtml(8): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->getChildHtml()

32 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/TemplateEngine/Php.php(71): include('...')

33 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\TemplateEngine\Php->render()

34 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\TemplateEngine\Php\Interceptor->___callParent()

35 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\TemplateEngine\Php\Interceptor->Magento\Framework\Interception{closure}()

36 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/Framework/View/TemplateEngine/Php/Interceptor.php(23): Magento\Framework\View\TemplateEngine\Php\Interceptor->___callPlugins()

37 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/Template.php(263): Magento\Framework\View\TemplateEngine\Php\Interceptor->render()

38 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/Template.php(293): Magento\Framework\View\Element\Template->fetchView()

39 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(1095): Magento\Framework\View\Element\Template->_toHtml()

40 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(1099): Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element{closure}()

41 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(660): Magento\Framework\View\Element\AbstractBlock->_loadCache()

42 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/SalesRule/Block/Adminhtml/Promo/Quote/Edit/Tab/Coupons/Interceptor.php(32): Magento\Framework\View\Element\AbstractBlock->toHtml()

43 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-ui/Component/HtmlContent.php(76): Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Interceptor->toHtml()

44 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout/Generic.php(116): Magento\Ui\Component\HtmlContent->getConfiguration()

45 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout/Generic.php(112): Magento\Framework\View\Layout\Generic->addChildren()

46 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout/Generic.php(112): Magento\Framework\View\Layout\Generic->addChildren()

47 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout/Generic.php(74): Magento\Framework\View\Layout\Generic->addChildren()

48 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout/Generator/Structure.php(46): Magento\Framework\View\Layout\Generic->build()

49 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-ui/TemplateEngine/Xhtml/Result.php(102): Magento\Framework\View\Layout\Generator\Structure->generate()

50 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-ui/TemplateEngine/Xhtml/Result.php(124): Magento\Ui\TemplateEngine\Xhtml\Result->appendLayoutConfiguration()

51 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-ui/Component/Wrapper/UiComponent.php(73): Magento\Ui\TemplateEngine\Xhtml\Result->__toString()

52 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(1095): Magento\Ui\Component\Wrapper\UiComponent->_toHtml()

53 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(1099): Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element{closure}()

54 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Element/AbstractBlock.php(660): Magento\Framework\View\Element\AbstractBlock->_loadCache()

55 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/Ui/Component/Wrapper/UiComponent/Interceptor.php(23): Magento\Framework\View\Element\AbstractBlock->toHtml()

56 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(591): Magento\Ui\Component\Wrapper\UiComponent\Interceptor->toHtml()

57 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(553): Magento\Framework\View\Layout->_renderUiComponent()

58 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

59 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

60 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

61 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

62 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

63 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

64 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

65 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

66 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

67 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

68 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

69 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

70 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

71 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

72 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

73 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

74 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

75 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

76 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

77 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

78 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

79 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

80 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(606): Magento\Framework\View\Layout->renderElement()

81 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(557): Magento\Framework\View\Layout->_renderContainer()

82 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(510): Magento\Framework\View\Layout->renderNonCachedElement()

83 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Layout.php(975): Magento\Framework\View\Layout->renderElement()

84 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/Framework/View/Layout/Interceptor.php(41): Magento\Framework\View\Layout->getOutput()

85 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Result/Page.php(260): Magento\Framework\View\Layout\Interceptor->getOutput()

86 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/View/Result/Layout.php(171): Magento\Framework\View\Result\Page->render()

87 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/Backend/Model/View/Result/Page/Interceptor.php(32): Magento\Framework\View\Result\Layout->renderResult()

88 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/App/View.php(221): Magento\Backend\Model\View\Result\Page\Interceptor->renderResult()

89 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-sales-rule/Controller/Adminhtml/Promo/Quote/Edit.php(85): Magento\Framework\App\View->renderLayout()

90 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(58): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit->execute()

91 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(138): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->___callParent()

92 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->Magento\Framework\Interception{closure}()

93 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/SalesRule/Controller/Adminhtml/Promo/Quote/Edit/Interceptor.php(23): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->___callPlugins()

94 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/App/Action/Action.php(111): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->execute()

95 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-backend/App/AbstractAction.php(151): Magento\Framework\App\Action\Action->dispatch()

96 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Backend\App\AbstractAction->dispatch()

97 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(138): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->___callParent()

98 /var/www/clients/client1/web5/web/releases/38/vendor/magento/module-backend/App/Action/Plugin/Authentication.php(145): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->Magento\Framework\Interception{closure}()

99 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(135): Magento\Backend\App\Action\Plugin\Authentication->aroundDispatch()

100 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->Magento\Framework\Interception{closure}()

101 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/SalesRule/Controller/Adminhtml/Promo/Quote/Edit/Interceptor.php(32): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->___callPlugins()

102 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/App/FrontController.php(245): Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Edit\Interceptor->dispatch()

103 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/App/FrontController.php(212): Magento\Framework\App\FrontController->getActionResponse()

104 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/App/FrontController.php(147): Magento\Framework\App\FrontController->processRequest()

105 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\FrontController->dispatch()

106 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent()

107 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception{closure}()

108 /var/www/clients/client1/web5/web/releases/38/generated/code/Magento/Framework/App/FrontController/Interceptor.php(23): Magento\Framework\App\FrontController\Interceptor->___callPlugins()

109 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/App/Http.php(116): Magento\Framework\App\FrontController\Interceptor->dispatch()

110 /var/www/clients/client1/web5/web/releases/38/vendor/magento/framework/App/Bootstrap.php(264): Magento\Framework\App\Http->launch()

111 /var/www/clients/client1/web5/web/releases/38/pub/index.php(30): Magento\Framework\App\Bootstrap->run()

112 {main} [] []

Additional information

Possible Solution:

diff --git a/vendor/magento/module-admin-adobe-ims/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php b/vendor/magento/module-admin-adobe-ims/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php
index dd5ad60..63fed9e 100644
--- a/vendor/magento/module-admin-adobe-ims/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php
+++ b/vendor/magento/module-admin-adobe-ims/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php
@@ -36,7 +36,7 @@ class RemovePasswordAndUserConfirmationFormFieldsPlugin
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
-    public function afterGetForm(WidgetForm $subject, DataForm $result): DataForm
+    public function afterGetForm(WidgetForm $subject, DataForm|null $result): DataForm|null
     {
         if ($this->adminImsConfig->enabled() === false) {
             return $result;

Release note

No response

Triage and priority

• [ ] Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• [ ] Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• [X] Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• [ ] Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• [ ] Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

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[engcom-Hotel]

Hello @mohammedTBB,

Thanks for the report and collaboration!

We have tried to reproduce the issue in Magento 2.4-develop branch but it is not reproducible for us. Can you please confirm if this issue can be reproducible without amasty/module-xcoupon v1.1.16 because this is the third-party module and not maintained by Magento?

Also, we have checked the plugin mentioned in the main description i.e.:

https://github.com/magento/magento2/blob/49012eacf9319959905edb2b3c958a3722cf44b2/app/code/Magento/AdminAdobeIms/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php#L38-L45

Which is created on:

https://github.com/magento/magento2/blob/49012eacf9319959905edb2b3c958a3722cf44b2/app/code/Magento/Backend/Block/Widget/Form.php#L100-L103

The above function is returning the object of type \Magento\Framework\Data\Form, so as the plugin.

And also you can also let us know your use case in which this plugin can return null.

Thanks

[mohammedTBB]

Hello @engcom-Hotel

the error is not reproducible without the plugin amasty/module-xcoupon v1.1.16

In all cases, whenever you try to add new cart rule, the plugin return null.

[engcom-Hotel]

Hello @mohammedTBB,

Thanks for the reply!

In that case, I would like to suggest you connect with the developers of amasty/module-xcoupon v1.1.16 for this issue. As this module is not maintained by Magento, you need to connect with them.

Thanks

[dongyi-chun]

I have a same issue with different extension(Mageplaza_RequestForQuote). But it is good to solved as @mohammedTBB suggested.

[engcom-Hotel]

Hello @dongyi-chun,

Thanks for the report!

As I mentioned earlier also that amasty/module-xcoupon and Mageplaza_RequestForQuote are not maintained by Magento. But still, I need to ask you in which scenario/use case this plugin can return null.

This will help in identifying if this issue is related to Magento or some third-party extensions.

Thanks

[mohammedTBB]

Hi @dongyi-chun

I have managed to fix the error by applying a patch from Amasty for the plugin coupons. Hope it helps!

Plus Consider updating the plugin, this patch may be included in the last version.

#====================================================================================================================================================#
#                This is a patch file. You can apply it using "patch -p2 < diff.patch" or revert it using "patch -R -p2 < diff.patch"                #
#                                                        (c) Created by Amasty Team 19-09-2022                                                       #
#====================================================================================================================================================#
diff --git a/vendor/amasty/module-xcoupon/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php b/vendor/amasty/module-xcoupon/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php
index e69de29..4daae37 100644
--- a/vendor/amasty/module-xcoupon/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php
+++ b/vendor/amasty/module-xcoupon/Plugin/RemovePasswordAndUserConfirmationFormFieldsPlugin.php
@@ -0,0 +1,78 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+declare(strict_types=1);
+
+namespace Amasty\Xcoupon\Plugin;
+
+use Magento\AdminAdobeIms\Service\ImsConfig;
+use Magento\Backend\Block\Widget\Form as WidgetForm;
+use Magento\Framework\Data\Form as DataForm;
+
+class RemovePasswordAndUserConfirmationFormFieldsPlugin
+{
+    /**
+     * @var ImsConfig
+     */
+    private ImsConfig $adminImsConfig;
+
+    /**
+     * @param ImsConfig $adminImsConfig
+     */
+    public function __construct(ImsConfig $adminImsConfig)
+    {
+        $this->adminImsConfig = $adminImsConfig;
+    }
+
+    /**
+     * Remove user password and confirmation field and hide the user verification fieldset
+     *
+     * @param WidgetForm $subject
+     * @param DataForm $result
+     * @return DataForm
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function afterGetForm(WidgetForm $subject, ?DataForm $result): ?DataForm
+    {
+        if ($this->adminImsConfig->enabled() === false) {
+            return $result;
+        }
+
+        if ($result->getElement('base_fieldset')) {
+            foreach ($result->getElement('base_fieldset')->getElements() as $element) {
+                if ($element->getId() === 'email') {
+                    $element->setData('note', __('Use the same email user has in Adobe IMS organization.'));
+                }
+                if ($element->getId() === 'password') {
+                    $result->getElement('base_fieldset')->removeField($element->getId());
+                }
+
+                if ($element->getId() === 'confirmation') {
+                    $result->getElement('base_fieldset')->removeField($element->getId());
+                }
+            }
+        }
+
+        if ($result->getElement('current_user_verification_fieldset')) {
+            foreach ($result->getElement('current_user_verification_fieldset')->getElements() as $element) {
+                if ($element->getId() === 'current_password') {
+                    $element->setType('hidden');
+                    $element->setClass('');
+
+                    /**
+                     * We can set the value to "randomPassword", because it must just pass the input validation rules
+                     *  we also don't use this value anymore and also don't save this anywhere
+                     *  because we are using the access_token for the verification and not the current user password
+                     */
+                    $element->setData('value', 'randomPassword');
+                }
+            }
+        }
+
+        return $result;
+    }
+}
\ No newline at end of file
diff --git a/vendor/amasty/module-xcoupon/etc/adminhtml/di.xml b/vendor/amasty/module-xcoupon/etc/adminhtml/di.xml
index ef743d9..0823dbf 100644
--- a/vendor/amasty/module-xcoupon/etc/adminhtml/di.xml
+++ b/vendor/amasty/module-xcoupon/etc/adminhtml/di.xml
@@ -26,6 +26,13 @@
                 type="Amasty\Xcoupon\Plugin\SalesRule\ResourceModel\Coupon" />
     </type>

+    <type name="Magento\Backend\Block\Widget\Form">
+        <plugin name="remove_password_and_user_confirmation_form_fields"
+                type="Magento\AdminAdobeIms\Plugin\RemovePasswordAndUserConfirmationFormFieldsPlugin" disabled="true"/>
+        <plugin name="remove_password_and_user_confirmation_form_fields"
+                type="Amasty\Xcoupon\Plugin\RemovePasswordAndUserConfirmationFormFieldsPlugin" />
+    </type>
+
     <preference for="Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid"
                 type="Amasty\Xcoupon\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Grid"/>
 </config>

[dongyi-chun]

Basically this is originated by latest PHP's null param issue. So, I've workaround by creating a null check in Form class which was just empty.

use Magento\Backend\Block\Widget\Form\Generic;

/**
 * Class Form
 * @package Mageplaza\RequestForQuote\Block\Adminhtml\Requests\Edit
 */
class Form extends Generic
{
    public function getForm()
    {
        if ($this->_form == null) {
            return $this->_formFactory->create();
        } else {
            return $this->_form;
        }
    }
}

FYI, Mageplaza's support is not good, they are not interested about version compatibility issues. :(

[engcom-Hotel]

Hello @mohammedTBB @dongyi-chun,

Can we close this issue now? or we can remain open for more discussion. Please suggest.

Thanks