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I have buid a dashboard with power bi online. Without any problem i change de excel file for a few months now with new data. Today power bi has an error couldn`t find file. The excel file is in onedrive personal and normaly sync evereday.
In this case, we can firstly right click on the Reports to check if you can see the source file name from OneDrive. Then click the file to see if you can access the data on OneDrive. If you can’t access the data properly, try to restore the deleted excel file from OneDrive-Personal, if the restoration is successful, then Power BI will relocate the file again. However, if the original file cannot be restored, we may need to import the excel file on OneDrive-Personal from Power BI Service again and recreate all the report and dashboard.
Regards,