Hmm, autgen shows fine here (FSXA)
(ensure that the agn files are in the texture folder associated with the photo scenery scenery folder)
https://postimage.org/
H:\UGMS\scenery
H:\UGMS\texture
H:\UGMS\scenery\airportsignx.BGL
H:\UGMS\scenery\brueckex.BGL
H:\UGMS\scenery\cvx_PROJECT.BGL
H:\UGMS\scenery\dreckhaufenx.BGL
H:\UGMS\scenery\flaggenx.BGL
H:\UGMS\scenery\flagpolex.BGL
H:\UGMS\scenery\generatorx.BGL
H:\UGMS\scenery\groundpolytest.bgl
H:\UGMS\scenery\Licht_px.BGL
H:\UGMS\scenery\Mastenx.BGL
H:\UGMS\scenery\Mestiaairportx.BGL
H:\UGMS\scenery\mestiafence9-15x.BGL
H:\UGMS\scenery\mestiafencep1x.BGL
H:\UGMS\scenery\mestiafencep2x.BGL
H:\UGMS\scenery\MESTIA_OBX.BGL
H:\UGMS\scenery\military_mdlx.BGL
H:\UGMS\scenery\Photo01.bgl
H:\UGMS\scenery\Polizeix.BGL
H:\UGMS\scenery\rohrex.BGL
H:\UGMS\scenery\schuppenx.BGL
H:\UGMS\scenery\taxisigns_px.BGL
H:\UGMS\scenery\towerx.BGL
H:\UGMS\scenery\UGMS_ADEP2_ADE.bgl
H:\UGMS\scenery\Wassertankx.BGL
H:\UGMS\texture\013101121302233an.agn
H:\UGMS\texture\013101121302322an.agn
H:\UGMS\texture\013101121302323an.agn
H:\UGMS\texture\013101121302332an.agn
H:\UGMS\texture\013101121302333an.agn
H:\UGMS\texture\013101121320011an.agn
H:\UGMS\texture\013101121320013an.agn
H:\UGMS\texture\013101121320031an.agn
H:\UGMS\texture\013101121320033an.agn
H:\UGMS\texture\013101121320100an.agn
H:\UGMS\texture\013101121320101an.agn
H:\UGMS\texture\013101121320102an.agn
H:\UGMS\texture\013101121320103an.agn
H:\UGMS\texture\013101121320110an.agn
H:\UGMS\texture\013101121320111an.agn
H:\UGMS\texture\013101121320112an.agn
H:\UGMS\texture\013101121320113an.agn
H:\UGMS\texture\013101121320120an.agn
H:\UGMS\texture\013101121320121an.agn
H:\UGMS\texture\013101121320122an.agn
H:\UGMS\texture\013101121320123an.agn
H:\UGMS\texture\013101121320130an.agn
H:\UGMS\texture\013101121320131an.agn
H:\UGMS\texture\013101121320132an.agn
H:\UGMS\texture\013101121320133an.agn
H:\UGMS\texture\airportsign.dds
H:\UGMS\texture\blending.dds
H:\UGMS\texture\bruecke.dds
H:\UGMS\texture\chainlink.bmp
H:\UGMS\texture\chainlink.dds
H:\UGMS\texture\chainlinkdxt.bmp
H:\UGMS\texture\concrete.dds
H:\UGMS\texture\concretetiles.dds
H:\UGMS\texture\concrete_with_displacements.dds
H:\UGMS\texture\dreck.dds
H:\UGMS\texture\edited.dds
H:\UGMS\texture\flaggen.dds
H:\UGMS\texture\generatorkalibriert.dds
H:\UGMS\texture\georgianflag.dds
H:\UGMS\texture\holzstamm.dds
H:\UGMS\texture\Masten.dds
H:\UGMS\texture\metal.dds
H:\UGMS\texture\military.dds
H:\UGMS\texture\Polizei.dds
H:\UGMS\texture\roads.dds
H:\UGMS\texture\rohreuv1.dds
H:\UGMS\texture\rohreuv2.dds
H:\UGMS\texture\rohreuv3.dds
H:\UGMS\texture\runwaytextures.dds
H:\UGMS\texture\Schuppen2.dds
H:\UGMS\texture\schuppenuv.dds
H:\UGMS\texture\stacheldraht.dds
H:\UGMS\texture\Taxisigns.dds
H:\UGMS\texture\Wassertank.dds
H:\UGMS\texture\white wood.dds