Status:
Investigating
Paginated Report Parameters set to null when "Select-All" is chosen and subscribing to report
We have a number of power BI Paginated reports that users need to subscribe to on email. When we populate a report parameter and the user chooses, "Select All" for that parameter, runs the report...
JVP
Helper II
Helper IIAlso been having this problem. It was fixed back in February but have reverted since then. It only happens when other parameters have selected all. If you select anything less than everything it lists them but selecting all will trigger a "null" parameter.
MurtoMan has posted a work around here : Solved: Email subscription settings shows Null parameter - Microsoft Power BI Community
but obviously this is a bug and needs fixing from Microsoft.
If others are having this problem, please vote at the top for the issue to be looked at, thanks.