potiuk commented on issue #43455:
URL: https://github.com/apache/airflow/issues/43455#issuecomment-2443826051

   There is no way to reproduce it - without extra information on how you get 
there. It seems that you have some broken serialized dag in your DB and until 
we know how it got there, it will be impossible to diagnose and fix it.
   
   Easy fix is to reserialize all your dags (see the docs) and see if it occurs 
again. If it does, then you should provide all the details on which dag and 
which task is creating the issue and how to reproduce it - but without that 
it's impossible to diagnose it. I assign it to you to provide more information.


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