In debug mode, I get the following error in the frontend when I use the module «Isotope Messages»
Warning: Undefined array key "formatted"
at vendor/codefog/contao-haste/library/Haste/Data/Collection.php:42
at Haste\Data\Collection->__toString()
(vendor/isotope/isotope-core/system/modules/isotope/templates/modules/mod_iso_messages.html5:5)
at include('/demo_isotope/vendor/isotope/isotope-core/system/modules/isotope/templates/modules/mod_iso_messages.html5')
(vendor/contao/core-bundle/src/Resources/contao/library/Contao/TemplateInheritance.php:108)
at Contao\Template->inherit()
(vendor/contao/core-bundle/src/Resources/contao/library/Contao/Template.php:295)
at Contao\Template->parse()
(vendor/contao/core-bundle/src/Resources/contao/classes/FrontendTemplate.php:43)
at Contao\FrontendTemplate->parse()
(vendor/contao/core-bundle/src/Resources/contao/modules/Module.php:245)
at Contao\Module->generate()
(vendor/codefog/contao-haste/library/Haste/Frontend/AbstractFrontendModule.php:52)
at Haste\Frontend\AbstractFrontendModule->generate()
(vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/Module.php:115)
at Isotope\Module\Module->generate()
(vendor/isotope/isotope-core/system/modules/isotope/library/Isotope/Module/Messages.php:44)
at Isotope\Module\Messages->generate()
(vendor/contao/core-bundle/src/Resources/contao/library/Contao/Controller.php:434)
at Contao\Controller::getFrontendModule(object(ModuleModel), 'shopmessage')
(vendor/contao/core-bundle/src/Resources/contao/pages/PageRegular.php:199)
at Contao\PageRegular->prepare(object(PageModel))
(vendor/contao/core-bundle/src/Resources/contao/pages/PageRegular.php:60)
at Contao\PageRegular->getResponse(object(PageModel), true)
(vendor/contao/core-bundle/src/Resources/contao/controllers/FrontendIndex.php:316)
at Contao\FrontendIndex->renderPage(object(PageModel))
(vendor/symfony/http-kernel/HttpKernel.php:152)
at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
(vendor/symfony/http-kernel/HttpKernel.php:74)
at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
(vendor/symfony/http-kernel/Kernel.php:202)
at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
(public/index.php:44)
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In debug mode, I get the following error in the frontend when I use the module «Isotope Messages»
https://github.com/isotope/core/issues/2314#issuecomment-1174685670