Forum Discussion
tessahurr
Microsoft Employee
5 years agoShare your thoughts on DirectQuery for Power BI datasets and Azure Analysis Services (preview)
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Anonymous
5 years agoNot applicable
This error message shows up quite often when working with composite models connected to 2 datasets in power bi desktop - 'OLE DB or ODBC error. The session ID cannot be found. Either the session does not exist or it has already expired.. Is this to be expected, or is there a workaround? The datasets use a combination of DQ and import (but prominently DQ)
- jeroenterheerdt5 years ago
Microsoft Employee
this is not expected - please open an issue on issues.powerbi.com
- mamsteroonie4 years ago
Helper I
I find if you go to transform data, data source settings, and add another table to the composite data source, it refreshes the session and you can continue working in it (just delete the table you added).