MTA:SA fix
CL35: GTA could not add a vehicle upgrade
Restart the PC and try the upgrade once more. If it fails again, note the vehicle ID and upgrade ID shown in the error.
Trouble adding vehicle upgrade
Codes on this page: CL35
Steps
Restart the PC and try the upgrade again
Restart the PC, then do the same thing once more. If it fails, note the vehicle ID, upgrade ID and frame name shown.
Source: MTA help
Go back to the original GTA vehicle files
Only if you installed vehicle replacements or changed other model files in your own game.
Keep a copy of those mods, then repair GTA from your trusted game source. Try again after that.
Source: MTA help
Report it to that server
If a clean installation still fails on that server, give its support team the vehicle, upgrade and frame details, so they can check that combination.
Careful: No single setting on your side is known to fix every vehicle upgrade error.
Source: MTA help
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.
Other problems like this
- MTA crashes or loses the picture after Alt-Tab
- MTA crashes, freezes or closes unexpectedly
- Error loading "CefWeb" module
- MTA crash: Out of memory, 0xE06D7363 or 0xE0000008 (libcef.dll)
- MTA crash: The crash was caused by a graphics driver error
- MTA crashes on Linux (Wine) when connecting or in basswma.dll
All fix guides · Every MTA:SA error code · Crash codes and offsets
Where this comes from
Official MTA guidance
Read on 7 September 2026 and written in our own words here.