Forum Discussion
'Unable to connect to data source undefined'
Trying to refresh a dataset from 3 different sources - two are databases within the same server and then one additional server. All have been set up with the gateway I'm using. I haven't seen the...
I am struggling with this exact error since mid Dec. Reports ran on scheduled refresh for 6 month and did not change anything
I am glad to hear I am not the only one struggling, though I am sorry you are experiencing this! I updated my version of Power BI yesterday. Today I am going to build a new report from just one data source and see if I get the same error when set on an automatic refresh.