[Dr_Pawno]

Nгo sei o erro
Use [pawn] em vez de [php]
Tente:

pawn Код:

forward CriarVeiculoEx(modelid, Float:x, Float:y, Float:z, Float:angle, color1, color2, respawn_delay); 
public CriarVeiculoEx(modelid, Float:x, Float:y, Float:z, Float:angle, color1, color2, respawn_delay) 
{ 
    return CreateVehicle(modelid, x, y, z, angle, color1, color2, respawn_delay); ; 
}