Forum Discussion
Changing source with a reduced CSV file
Hello Anonymous ,
It may be because there are some steps in Power query that reference these columns, so look into power query and see where is the error is coming from and remove the solumn names from the steps that has them.
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Thank you for your quick response.
I made what you suggest until my Power Query step where I delete my non essentials columns.
I suppose I maybe have to delete those columns upstream in my original CSV file ? But I expect my Power Query will dont run at all from the start then ?Hello Anonymous ,
Just look at the advanced editor to see the M code for the applied steps and search for the removed columns if they're still referenced.
If I answered your question, please mark my post as solution, Appreciate your Kudos 👍
I get what you suggest ! But in the M code of the my deleting step I have to refer to my suppressed columns.