SOLVED Can't add other class vehicle with GT3 Class

Hi I have problem to put other class car to race together with GT3 class, is it a bug?
Have host multi-class race server before, this is my first time to setup other class to race with GT3 together.
Anything I am doing wrong?

Add BMW M2 CS, Porsche GT3 Cup and Radical SR3xx with GT3 Class


Confirm install succeed


Can't found BMW M2 CS, Porsche GT3 Cup and Radical SR3xx in select list

 

Update: the issue only happened on steam command dedicate server, the same process on local PC no issue happened.

 

Did you update the unlock.bin on the server?

 

Thanks! After reupload unlock.bin again (have done it before), the issue is solved.