page1
Merged Cell 1
Target cell
Cell 2
Cell 3
To reproduce the issue:
Place cursor inside “Cell3” by clicking inside it
Now, Click and drag mouse to select all three cells - “Merged Cell 1”, “Cell 2”, “Cell 3”
Copy (Edit --> Copy) the selected cells
Select “Target cell” by clicking inside it
Paste (Edit --> Paste)
The application should crash