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Refresh failed: has failed to refresh NO error message

I post my problem here:

I have problem with my scheduling powerbi report. It's worked two days ago but now I get only this message( without error code):


My gateway version: 3000.54.8 (latest)

Szczegóły Typ Uruchom Koniec Stan Komunikat

Na żądanie9/1/2020, 11:57:21 AM9/1/2020, 11:57:26 AMNiepowodzenie 
Identyfikator URI
Identyfikator działania:059b6ca1-b3c5-44b3-a3e2-852aa85df1f8
Identyfikator żądania:67d57233-6037-04f4-4023-5a0d17475647


Last successful run : 8/29/2020

while i refreshing this in powerbi desktop, everything take from 5 to 10 minutes.

Can I find somewhere more accurate error message?
Can I do or check something myself? What should I investigating ?

Status: New
Community Support



Take a look at Troubleshoot refresh scenarios and create a support ticket for assistance if necessary.

Frequent Visitor


I have read this article before (wasn't helpful). There is no scenarios for my situation (refresh fail a few second after start ~4 sec without any message).

Frequent Visitor

I figured it out, the problem appeared only when in query steps I have at least two "merge queries".
Example: "Issued Query" looks like:
1step - import csv file
2step - merge queries (SSAS source)
3step - expand
4step - merge queries (Another SSAS source)
5step - expand

But how to fix that?