Cant Spawn SBEP v4 vehicles

i have recently found out that i can’t spawn the SBEP v4 vehicles in a server i like
am i supposed to dellete SBMP v3 after i update to SBEP v4? or just leave it as is.

Please help?

SBEP vehicles?

im not sure if there from SBMP or SBEP
so i suppose theres another problem

Bumpity bump bump