I have created a 2d panel in plane maker however when I set my screen settings in x-plane to "2d panel only" the screen goes black with the instruction that there is no 2d panel for this aircraft.
Steps taken to resolve the issue:
Made separate a panel for a different aircraft.
Changed the panel background file to see if it would update in plane maker.
In plane maker the 2d panel tab saves and reloads with all changes.
Ran X-plane updater to replace any missing files. same result.