I'm getting an error when I try to spawn the bike. Please try to help, not just say "reinstall on a clean gmod", because everyone who isn't an idiot would do that first.

The bike itself is there, but the wheel model shows as a big 'ol error.

Model missing: models/shadow_bike1kolo.mdl
SetPhysProp: Error applying attributes to invalid physics object!
Model missing: models/shadow_bike1kolo.mdl
ERROR!: Can't create physics object for models/shadow_bike1kolo.mdl
TEST [lua/entities/sent_sakarias_scar_base/cl_init.lua][lua/entities/sent_sakarias_scar_base/init.lua]
TEST [lua/entities/sent_sakarias_scar_base/init.lua][lua/entities/sent_sakarias_scar_base/init.lua]
FOUND IN ADDON [104483020]
TEST [lua/entities/sent_sakarias_scar_base/shared.lua][lua/entities/sent_sakarias_scar_base/init.lua]
TEST [lua/entities/sent_sakarias_car_moto9/cl_init.lua][lua/entities/sent_sakarias_car_moto9/shared.lua]
TEST [lua/entities/sent_sakarias_car_moto9/init.lua][lua/entities/sent_sakarias_car_moto9/shared.lua]
TEST [lua/entities/sent_sakarias_car_moto9/shared.lua][lua/entities/sent_sakarias_car_moto9/shared.lua]
FOUND IN ADDON [106926982]
File exists in two addons - possible conflicts! lua/entities/sent_sakarias_car_moto9/shared.lua (Bikes for SCars and SCars Slim)

Hope you guy can get a fix for this. Thanks!