MTA:SA fix

CL31: a GTA file could not be opened

Use the filename shown by the error to distinguish an unavailable game file from a missing MTA module.

Codes on this page: CL31

Steps

Try one step, then check whether the problem is still there. Follow any "only if" line before changing a setting.

1. Restart and retry the same launch

   Close your work, restart Windows and retry MTA. Keep the filename shown if the failure returns.

2. Repair the actual GTA installation

   If that game file remains unreadable, repair or reinstall GTA from its trusted source. Preserve savegames; avoid modified all-in-one game packs.

3. Retry before changing anything else

   Launch the repaired game and then MTA. If the same file still cannot be opened, ask MTA support with the filename and complete error.

Other problems like this

• CL29: client integrity warning at launch
• Another MTA or GTA instance is already running
• MTA data files or core.dll are missing
• MSVCR, VCRUNTIME or core.dll cannot load
• D3DX9 DLL is missing
• CC50: Direct3D9 could not initialize
• CL02: MTA cannot copy update files
• CL22: MTA could not start GTA:SA

Every MTA:SA error code · Crash codes and offsets