LoadPortals: couldn't read <Directory Map>.prt

hi i use alien swarm sdk.When i click run map then i got in cmd this loadportals: couldn’t read <Diretory map > .prt

Finished. Press a key to close.

please help me !

have you sealed your map with a func_brush named “structure_seal” and the texture nolight

You have a leak.

Make sure you surround your level with a func_brush with the name structure_seal


:ninja: :saddowns:

Ok.I try maybe it work.