How to fix he activity delegate with Handler referenced activity error?

Dear @Gokul001

Thank you so much for your swift response. I am not sure I quite follow you excatly.

In my process, I have multiple Invoke Workflow File, they are all passing successfully except one Invoke Workflow File activity. I can see, it might be some of the Import Arguments that might fail?

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Could you perhaps tell me if this is a right assumption or not? Thank you.