Moving horizontally using TAB key locks up the keybrd

[kstambaughAZ]

After entering text in a cell and pressing the TAB key, the highlighted cell correctly moves, but if additional character keys or arrow are pressed, they are ignored. If either the Space-bar or the Return key is pressed, the "Add/Remove Buttons" menu pops down. This menu is normally shown after pressing the two right-facing carats ">>" to the right of the formula bar.

I've repeated this problem with both .xlsx and .pmdx version of new files.

sminfo.txt file is attached.

[miguel-c]

Hi, I wasn't able to reproduce the issue on PlanMaker 970 under MacOs 10.14.6... Did this problem happen before?