Thanks for the response.
We have checked the health status(Datafactory & Databricks), it is fine.
In Debug, its not mandatory to publish changes. Without publish also we can do directly debug(as of my knowledge).
And we havnt any done in chagnes in mappings as it is prod environment. We have debugged all piplelines at same time and all pipelines having notebooks.
Running multiple notebooks in databricks, is it cause the error 'nternalServerError executing request' ??
After Debug the pipelines, No activity started inside the pipeline but pipeline failed with error.
I cannot share any screenshots.
Please provide solution if any one resolved this issue.