Blocks aia didn't load properly

I had migrated my aia total 9 screens i have 5-6 screens have same error rest all working properly.

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tell me the solution

Could you sent block screen screenshot ?
It could be due to too many blocks or may be because of same name somewhere well you can also try some solution too like copy screen and then delete this … or export aia and then import it again

Please make sure you follow all the step of converting aia to AB.
There are reasons of this issue Size and Due to blocks
And mainly this error come due to blocks.
Please tell me, Is your aia import in 1st attempt or Is your screen blocks brocken (in error screen).Answer me the following questions.