Minecraft aternos server immersive vehicles bug (MTS [1.12.2])

[AM-trap]

Every thing is ok when I playing singleplayer but when I turn on the light of the any vehicles of UNU civilian pack in my aternos server , server will crash and won't start until I regenerate world . 

how I should fix this ? and its MTS problem or UNU civilian pack problem ?

[JorrisUwU]

I have the same problem and somes things to say also :
1 - It's not only with UNU cars pack it crash but with any vehicles with lights

2 - It also crash when i try to use Police Shotgun of UNU cars pack

My logs : https://mclo.gs/TugwVsS

also how can i uncorrupt my map plz