Error Call to a Member Function getCollectionParentId() on Null: Causes, Fixes, and Solutions
The “Error Call to a Member Function getCollectionParentId() on Null” error often occurs in Magento or similar PHP-based systems. This error arises when your code attempts to call the getCollectionParentId() method on an object that is not properly initialized or has a null value. This typically occurs when you’re dealing with collections or objects that…