Hi, @mmtresor. Thanks for flagging this! Hopefully this hasn’t blocked you from working.
Did you upgrade the team that owns the file in your screenshot? If it the file was on another team, that could explain why it’s still locked. Do you have any other unpaid invoices? That can also explain why the file remains locked. If neither of those applies, I’d also quite and reopen the desktop app if you use that, or log out and log back in with a browser if you use that. Let me know if you still see this, though, and we’ll go from there.