MTA:SA error code
MTA:SA error CC99
MTA is waiting to finish a language change.
How to fix it
Let it finish
Wait for the change to complete, then connect again.
Still not fixed? Copy the whole message, not only the code, and check your log in the Fix tool. It is read on your own computer.
About this code
MTA's own client shows a CC code when something fails before or during a connection: the address, the nickname, a module it could not load, or the connection itself. MTA's own documentation gives CC99 as Language-change waiting status.
All fix guides · Every MTA:SA error code · Crash codes and offsets
Where this comes from
Read on 5 September 2026 and written in our own words here.