When converting sky textures, I get these messages:
Searching for .vmt files...
missing sky face: materials\skybox\legacy_faces\docks_hdrbk.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrdn.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrft.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrlf.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrrt.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrup.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrbk.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrdn.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrft.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrlf.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrrt.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrup.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrbk.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrdn.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrft.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrlf.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrrt.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrup.pfm
......
Collected face BK for sky_l4d_c4m4_hdr_cube.tga
Collected face DN for sky_l4d_c4m4_hdr_cube.tga
Collected face FT for sky_l4d_c4m4_hdr_cube.tga
Collected face LF for sky_l4d_c4m4_hdr_cube.tga
Collected face RT for sky_l4d_c4m4_hdr_cube.tga
Collected face UP for sky_l4d_c4m4_hdr_cube.tga
......
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrup.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrup.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrup.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrup.pfm
By the way, these sky textures are from L4D2's HD Sky Textures mod.
When converting sky textures, I get these messages:
Searching for .vmt files...
missing sky face: materials\skybox\legacy_faces\docks_hdrbk.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrdn.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrft.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrlf.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrrt.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrup.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrbk.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrdn.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrft.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrlf.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrrt.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrup.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrbk.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrdn.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrft.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrlf.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrrt.pfm
missing sky face: materials\skybox\legacy_faces\docks_hdrup.pfm
......
Collected face BK for sky_l4d_c4m4_hdr_cube.tga
Collected face DN for sky_l4d_c4m4_hdr_cube.tga
Collected face FT for sky_l4d_c4m4_hdr_cube.tga
Collected face LF for sky_l4d_c4m4_hdr_cube.tga
Collected face RT for sky_l4d_c4m4_hdr_cube.tga
Collected face UP for sky_l4d_c4m4_hdr_cube.tga
......
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrup.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightburning_ldrup.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrup.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrbk.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrdn.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrft.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrlf.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrrt.pfm
missing sky face: materials\skybox\legacy_faces\urbannightstorm_ldrup.pfm
By the way, these sky textures are from L4D2's HD Sky Textures mod.