I found the fix for collections

[vicflair]

The way mike exported collections is outdated. Now we have to use SHIFT + M to make a new collection

1. select your chess board in the cam and light collection then SHIFT + M and make new “Chess Board” collection
2. right click “White Pieces” collection and select objects. THEN SHIFT + M, select the new “Chess board” collection you just made
3. REPEAT step 2 but with “black pieces” collection

This will link these objects to the new collection without changing the old collections. It will keep all the hierachy data as well as the mesh data and materials.

I hope this helps!

[FedPete]

Thanks!

[VKS-8]

Thank you!