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Hello, My Application is using One drive excel files as datasource, but it fails on refreshing. I am facing an issue with Power BI Cloud , the data is not refreshing, the automatic update fails ...
I'm also having the same problem. I have several pbix using connection to sharepoint files, but only a few pbix gave this problem. I identified that the problem occurs when columns are merged between the sharepoint file with another source.
Unfortunately I didn't find a solution to work around this problem. The only solution was to undo the merge.