Fatal error: Uncaught TypeError: during the saving of configurable product

[smoskaluk]

Preconditions

1. Magento MSI
2. New stock with new source created

Steps to reproduce

1. Create configurable product with dropdown attribute and assign variables to default sorce
2. Try to save configurable product

Expected result

1. Product saved succesfully

Actual result

1. Fatal error: Uncaught TypeError: Argument 1 passed to Magento\InventoryConfigurableProduct\Observer\ProcessSourceItemsObserver::processSourceItems() must be of the type array, string given, called in /var/www/html/magento2ce/msi6/app/code/Magento/InventoryConfigurableProduct/Observer/ProcessSourceItemsObserver.php on line 60 and defined in /var/www/html/magento2ce/msi6/app/code/Magento/InventoryConfigurableProduct/Observer/ProcessSourceItemsObserver.php:71 Stack trace: #0 /var/www/html/magento2ce/msi6/app/code/Magento/InventoryConfigurableProduct/Observer/ProcessSourceItemsObserver.php(60): Magento\InventoryConfigurableProduct\Observer\ProcessSourceItemsObserver->processSourceItems('', 'con2-red ') Order Management UI #1 /var/www/html/magento2ce/msi6/lib/internal/Magento/Framework/Event/Invoker/InvokerDefault.php(72): Magento\InventoryConfigurableProduct\Observer\ProcessSourceItemsObserver->execute(Object(Magento\Framework\Event\Observer)) Stock Management UI #2 /var/www/html/magento2ce/msi6/lib/internal/Magento/Framework/Event/Invoker/InvokerDefault.php(60): M in /var/www/html/magento2ce/msi6/app/code/Magento/InventoryConfigurableProduct/Observer/ProcessSourceItemsObserver.php on line 71

[naydav]

#753