Steps to Reproduce

1. load a blank sheet, Sheet1
2. Create a new worksheet, Sheet2
3. Scroll down to Row 81, click A81, and type “=” in Sheet2
4. Click on a cell, A1, in Sheet1
5. Press Enter

Current Result

• The formula preview dialog doesn't close.
• no formula is entered into the editing cell
• a javascript error:

  zss.wpd:21001 Uncaught
  TypeError: Cannot read properties of null (reading 'isMerged')
  at init.stopEditing (zss.wpd:21001:14)
  at init._doKeydown (zss.wpd:39829:13)
  at init.doKeyDown_ (zss.wpd:23269:15)
  at _doEvt (zk.wpd:27943:43)
  at HTMLDocument.<anonymous> (zk.wpd:28053:7)
  at HTMLDocument.dispatch (zk.wpd:4869:98)
  at elemData.handle (zk.wpd:4689:109)

Expected Result

• No error.
• the cell contains =Sheet1!A1

Workaround

keikai-742.js