QUICK FIX meshes2bsa is not ceck . this is the reason . open mod organizer . look in the right . select arhives . TTW MOD Fallout - Meshes2.bsa . extract Fallout - Meshes2.bsa on desktop . create zip . load zip to mod organizer . ceck new mod ignore when error apear . even if is red flag it does work . no more red triangles ...