(3)(+0000007): Integration: Request already in progress; not executing OpenOffice addEditCitation
What LibreOffice version?
Restart Zotero and LibreOffice and try again, and if you're having trouble provide another Debug ID for the first attempt to insert a citation since restarting Zotero.
Upgrade Storage
Restart Zotero and LibreOffice and try again, and if you're having trouble provide another Debug ID for the first attempt to insert a citation since restarting Zotero.