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@defiant I got the same issue with you, some mission vehicles are despawned or replaced by other vehicles, causing mission unable to continue.
@fet0r

@MylesTheBroom
Mine didn't roll over either.
And it may have to do with some scripts that change the vehicle handling, such as True Realistic Driving V mod

@MylesTheBroom
Have you changed vehicle.meta file of the emperor? Maybe there is something wrong with the center of gravity of the emperor.

@DzeFuk
You can try enhanced trainer if you can't spawn criminal enterprises vehicles with this mod.
It not only prevents DLC vehicles to be despawned by game but also provides you a way to spawn DLC vehicles. And you can do other things with it

@Tixer Glad to help. XD

@ANEH
@ANEH
In fact we can spawn all DLC vehicles. But Expanded and Enhanced DLC vehicles are not included. They are only available in PS5 and XBOXONE now.

@BorgiaBou
Because the model and texture files of those vehicles are blank, they have only 1kb.
So it is impossible to spawn them. But a strange thing is, those vehicles have handling.meta.

@HKH191
Could you make it possible that weapons are manually loaded? Maybe a setting to toggle auto loading or manual loading?
In that case, this mod won't break missions. And for someone who use this mod for the first time, they can save their current weapon inventory.
Anyway, this is a good mod.

@Artupaky01
I edited weapon.meta, and restored all BZGAS data to the GTA5 original BZGAS data. And the issue was solved.

Report an issue:
It seems like that there is something wrong with BZGAS. When player gets BZGAS, game crashes.
For example, In Mission The Jewel Store Job, Franklin will get 5 BZGAS and throw them out. At the begging of the mission, Michael takes Franklin to the construction site. When Michael arrives there, game will automatically switch to Franklin. Later, BZGAS appear in Franklin's inventory. The moment you switch to Franklin, game crashes.
In my opinion, the data of BZGAS should remain original. Because The BZ Gas only appears if the player has chosen the smart approach for The Jewel Store Job.
But anyway, the mod is great.