after repaint with fs,repaint turns half black

repainting blanks with fs repaint.repaint works fine. but each time i reopen textures in fs repaint the color black starts taking over the other texture colors :)
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=15&t=35735