Error when setting up the extension in the admin panel

[lemaryn]

Preconditions (*)

1. Magento 2.4.5-p1
2. Meta for Magento v1.2.1

Steps to reproduce (*)

1. Create a store following the screenshot
2. Set a debugging breakpoint on this line https://github.com/magento/meta-for-magento2/blob/v1.2.1/app/code/Meta/BusinessExtension/Block/Adminhtml/Setup.php#L136
3. Go to Setup
4. The store key does not match 0

Expected result (*)

1. Correct page for setup

Actual result (*)

1. I see a blank page In the log, I see this error

[2023-10-20T17:01:24.075689+00:00] report.CRITICAL: Exception: Warning: Undefined array key 0 in /project-magento/vendor/meta/module-business-extension/Block/Adminhtml/Setup.php on line 135 in /project-magento/vendor/magento/framework/App/ErrorHandler.php:62
Stack trace:
#0 /project-magento/vendor/meta/module-business-extension/Block/Adminhtml/Setup.php(135): Magento\Framework\App\ErrorHandler->handler(2, 'Undefined array...', '/project-magento/vendor...', 135)
#1 /project-magento/vendor/meta/module-business-extension/view/adminhtml/templates/store_picker.phtml(13): Meta\BusinessExtension\Block\Adminhtml\Setup->getSelectedStoreId()

I suggest 2 options:

1. Replace this line https://github.com/magento/meta-for-magento2/blob/v1.2.1/app/code/Meta/BusinessExtension/Block/Adminhtml/Setup.php#L136

from

$firstStore = array_slice($stores, 0, 1)[0];

to

$firstStore = array_shift($stores);

3. Replace this part of code https://github.com/magento/meta-for-magento2/blob/v1.2.1/app/code/Meta/BusinessExtension/Block/Adminhtml/Setup.php#L127-L135

from

        // Missing or invalid query param, look for a default.
        foreach ($stores as $store) {
            if ($store->isDefault() && $store->getWebsiteId() === $this->getFirstWebsiteId()) {
                return $store['store_id'];
            }
        }

        // No default found, return the first store.
        $firstStore = array_slice($stores, 0, 1)[0];

to

        $i=0;
        // Missing or invalid query param, look for a default.
        foreach ($stores as $store) {
            if ($store->isDefault() && $store->getWebsiteId() === $this->getFirstWebsiteId()) {
                return $store['store_id'];
            }
            if ($i === 0) {
                // No default found, return the first store.
                $firstStore = $store;
            }
            $i++;
        }

[zlik]

Thank you for flagging, @lemaryn! Fixed in https://github.com/magento/meta-for-magento2/releases/tag/v1.2.3, closing this issue.