Hello @Reddy, Haripriya ,
Thanks for the question and using MS Q&A platform.
Are you doing explicit mapping (Import Schemas in Mapping section of Copy) or auto mapping from source to sink? If you are doing auto mapping, could you please try explicit mapping by clicking import schemas in Mapping section of your copy activity.
You will experiencing this error message when you pass mapping without Import Schemas:
You are able to resolve this error message when you pass mapping with Import Schemas:
Hope this helps. Do let us know if you any further queries.
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