Yes, those. Are the doors what is broken? If so, there should have been a fix uploaded for those, in which case I would suggest downloading again. If that doesn't work, it may have gotten lost at some point...
It's more than the doors I think. I downloaded the pack this weekend and installed it. This is the UP. It's just the DRGW, DTSL and UP that are broken.
~- failed to open binary texture 'mesh_body/map1bump.texture' for 'arc:fld:$(local)/hash-4A||kuid 156765 100857.tzarc|'
- Texture 'mesh_body/map1bump.texture' is missing or could not be loaded in mesh 'mesh_body/body2.im', material 'body.m.tbumptex'.
- Texture 'mesh_body/map1bump.texture' is missing or could not be loaded in mesh 'mesh_body/body1.im', material 'body.m.tbumptex'.
- Texture 'mesh_body/map1bump.texture' is missing or could not be loaded in mesh 'mesh_body/body1.im', material 'body.m.tbumptex'.
! This asset uses an obsolete trainz-build number. Trainz-build numbers below 3.5 are no longer supported.
- failed to open binary texture 'mesh_body/map1bump.texture' for 'arc:fld:$(local)/hash-4A||kuid 156765 100857.tzarc|'
- Texture 'mesh_body/map1bump.texture' is missing or could not be loaded in mesh 'mesh_body/body2.im', material 'body.m.tbumptex'.
- Texture 'mesh_body/map1bump.texture' is missing or could not be loaded in mesh 'mesh_body/body1.im', material 'body.m.tbumptex'.
! Indexed meshes are not supported for traincars as of trainz-build 3.8. It is recommended that you upgrade 'mesh_body/ddoor1l.im' to a LOD mesh.
! Indexed meshes are not supported for traincars as of trainz-build 3.8. It is recommended that you upgrade 'mesh_body/ddoor1r.im' to a LOD mesh.
! The low-detail meshes total more than 500 polygons. This may have a negative impact on performance.