Please can you stop to using gwibber and then run this command in a terminal: "echo -e "delete from messages;\nvacuum;" | sqlite3 ~/.config/gwibber/gwibber.sqlite".. after that try to open gwibber again.
Please can you stop to using gwibber and then run this command in a terminal: "echo -e "delete from messages;\nvacuum;" | sqlite3 ~/.config/ gwibber/ gwibber. sqlite" .. after that try to open gwibber again.