Since yesterday few of my reports don't refresh properly via the on premises gateway. I updated yesterday to the November 2018 version. Not sure if it is relevant.
The entire report is based on an on prem MS SQL server data and other reports using it refresh correctly.
I am getting this message:
Something went wrong Cannot connect to the mashup data source. See error details for more information. Please try again later or contact support. If you contact support, please provide these details. Underlying error code: -2147467259 Table: ... Underlying error message: Information is needed in order to combine data DM_ErrorDetailNameCode_UnderlyingHResult: -2147467259 Microsoft.Data.Mashup.MashupSecurityException.DataSources: ... Microsoft.Data.Mashup.MashupSecurityException.Reason: PrivacySetting Cluster URI: WABI-EUROPE-NORTH-B-redirect.analysis.windows.net Activity ID: 89ef74b7-7b7b-49b9-aa87-c1e3dae7fffe Request ID: 048aec4c-9de4-5029-3484-8f3b0dd5d2e1 Time: 2018-11-22 08:02:30Z