Forum Discussion
aibatalov
5 years agoAdvocate I
Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe while refresh in service
Yesterday all working fine, but today refresh failed in all our reports in PowerBI service (we haven't changed reports since yesterday). Same error in all reports: An error happened while readin...
Nimai123
5 years agoPost Patron
Hello aibatalov daneri Anonymous neonguyen
The best possible way to see why this is happening is to open a support ticket for it.
https://powerbi.microsoft.com/en-us/support/
Power BI customers white listing certificate authorities for their applications may experience issues with the Power BI gateway and OData data sources with the message, "The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel" due to recent changes in Azure TLS. As a workaround for the gateway issues, customers can refer to the online documentation to download new root certificates and add them to System/Computer Trusted Root Certificate Authorities store on the gateway machines.