MTA:SA launcher code
MTA:SA error CL31
A GTA file could not be opened.
How to fix it
Restart Windows and try again
Close your work, restart Windows and try MTA again. If the error comes back, note the file name it shows.
Source: MTA help
Repair or reinstall GTA
If that game file still cannot be read, repair or reinstall GTA from its trusted source. Keep your savegames safe. Do not use modified all-in-one game packs.
Source: MTA help
Start the repaired game, then MTA
Start the repaired game and then MTA before you change anything else. If the same file still cannot be opened, ask MTA support and give them the file name and the complete error.
These are the steps of the guide CL31: a GTA file could not be opened.
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
Another program holding the file, or a damaged game installation, are the usual cases.
CL codes come from MTA's launcher, before the game starts: installing an update, finding GTA, loading MTA's own files or starting gta_sa.exe. MTA's own documentation gives CL31 as GTA file-opening failure.
All fix guides · Every MTA:SA error code · Crash codes and offsets
Where this comes from
- wiki.multitheftauto.com/wiki/Error_Codes?oldid=81428
- help.multitheftauto.com/sa/trouble/gta-fopen-fail/
Read on 5 September 2026 and written in our own words here.