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when I dispose the controller & reset it with data. after that, I m using the parentOfItem() method to get parent data but it returns a Null check operator used on a null value.
The text was updated successfully, but these errors were encountered:
when I dispose the controller & reset it with data. after that, I m using the parentOfItem() method to get parent data but it returns a Null check operator used on a null value.
The text was updated successfully, but these errors were encountered: