I am new to Pentaho DI. I created an ETL with some transformation and a .KTR file is created and it is running fine.
When I go to Report Design and select the data source as Pentaho Data integration and then when I select the .KTR file which I created.
When I go for a preview of data It is giving me an error that "Caught Kettle Exception: Check your configuration".
I have no idea what to do.

Please help me!!!!!!!!!

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