Forum Discussion
Measure with Disconnected Table as Filter
TLDR
I suspect this will be easy for someone with a better understanding of DAX (currently my weakest skill set, work in progress) and that hasn't been staring at the problem for hours.
This ...
I've attempted to reproduce your issue given the data you've provided but I'm struggling a bit.
Can you modify the file I created or create your own version that you can share?