Author: Sergey Vlasov
Magento migration issue. Can’t edit a product in admin panel Illegal offset type in isset or empty
The error and the solution of the problem have been obtained as a result of migration from Magento 1 (1.9. *) To Magento 2 (2.3.5-p1), but also can be after updating Magento, for example from version 2.2.7 to version 2.3.2. Main causes: - Migration from M1 to...