Forum Discussion
Error after Upgrading Report Metadata: M Engine error: 'Microsoft.Data.Mashup; Token Comma expected
Hi all, After recently updating to the October 2020 version, I was prompted to Upgrade report to use the enhanced metadata. After clicking "Upgrade report", the following error message is bei...
Update - I have managed to solve this problem thanks to the assistance of this guide https://www.fourmoo.com/2019/12/03/aas-processing-error-error-returned-m-engine-error-microsoft-data-mashup-token-comma-expected/
I was missing a carrier in one of my queries. Unfortunately the error message displayed didn't point to the right query, so I had to trawl through all of them.
Anonymous , Refer for open issue on Oct 2020 release -https://community.powerbi.com/t5/Issues/idb-p/Issues.
If needed create a new one.
FYI I have tested this on a colleagues' September 2020 version and am getting the same error