Forum Discussion
Refresh failed: has failed to refresh NO error message
I have upgrade my gateway to latest version and problem still occurred. detailed error message didn't appeared in logs (on-premises data gateway app, Diagnostics)
We find that the problems showup only with some of our reports (mix sql /SSAS + files), were we use "Append Queries". Our problems started 30th August, earlier everything was fine. We have problem also with "Merge Queries". The queries looks like:
1step - import csv file
2step - merge queries (SSAS source)
3step - expand
4step - merge queries (Another SSAS source)
5step - expand
I'm having the same issues. A dataset that utilizes the powerbi service for Dataflows has been failing since the November updates to the service. The failure has no data and I have to looked into the server logs each time. The error there is that the OATH authentication token failed to refresh. This is a big problem. Updating and rolling back the gateway did nothing to help this.