Greetings & Welcome to Microsoft Q&A forum! Thanks for posting your query!
Could you kindly share more details about the issue you are facing? It would be really helpful if you could also send a screenshot of the error message.
Meanwhile, please refer to the below thread links discussing a similar issue, as it may provide you with some useful insights.
https://learn.microsoft.com/en-us/answers/questions/148791/adf-2011-pipeline-error?orderBy=Newest
https://stackoverflow.com/questions/74379991/adf-error-code-2011-required-property-connectionstring-is-not-provided-in-con
I hope this information helps. Please do let us know if you have any further queries.
Thank you.