: Click Save Changes and then Quit the editor before launching the game. Pro Tip for Car Maintenance

This error appears because the editor has assigned a Heat Value that the game’s executable does not recognize as valid for that specific car model. Common causes include:

One of the simplest solutions comes from community forums. A user known as discovered a straightforward method to bypass this issue.

: Users often search for "exclusive" fixes because standard "checksum repairs" within the editor sometimes fail to resolve the underlying garage corruption.