Blank screen loading 1098 data

Trying to add 1098 data.  UI says 'get ready to be impressed' regarding loading my 1098 data.  Press continue, UI processes for a second then returns blank screen.  Tried deleting existing 1098 and adding a new one.  Another blank screen.

Seems this is a software bug.  I'm on windows 10 pro using firefox 86.0.1.  Edited 031521 at 21:18 ET due to original message getting misposted