Description:
The sequence of events is.  Almost always at first try I get the error message. I then highlight the row to be copied again and CTRL c and do the ctrl v over the blank row and it works. From then on it sometimes works and sometimes doesn't. This started when I installed Ubuntu 19.1

Steps to Reproduce:
1. Highlight a row clicking on the row number. 
2. insert row above. 
3. Highlight row above to be copied by clicking on the row number 
4. ctrl c. 
5. Highlight blank row. 
6. ctrl v.

Actual Results:
the contents of the clipboard cannot be pasted

Expected Results:
It should paste


Reproducible: Sometimes


User Profile Reset: No



Additional Info:
Libre Office Calc. Version: 6.3.3.2.0+ Build ID: libreoffice-6.3.3.2-snap1 
Ubuntu 19.1 

This started after install of ubuntu 19.1