Ymap props not showing

Hey, so I got this free mlo from Patoche and I wanted to change the insides of the garages, but many props don’t show, and I think there is no collision but inside code walker every thing is normal.
Can someone help, please?

In Code Walker:





In game:





Did you generate a manifest

no, how do i do that?

Project window, tools, manifest generator.

I am sure you have to add props to an mlo through the ytyp file rather than the ymap file.

Read through this MLO props