ID:2285984
 
BYOND Version:511
Operating System:Windows 7 Ultimate 64-bit
Web Browser:Chrome 60.0.3112.90
Applies to:Dream Maker
Status: Open

Issue hasn't been assigned a status value.
The compiler doesn't complain about attempts to access _dm_interface inside of procs, resulting in runtime errors instead.

the var just stops existing at runtime

makes sense