Bug: Running a background map and switching to another background map crashes the engine

[pivotman319-owo]

Describe the bug

Running map_background more than once causes the engine to crash very early on.

To Reproduce

1. Use latest p2ce staging build with hl2 and episodic mounted
2. Run map_background ep1_background01 once
3. Re-run the same command after the map finishes loading
4. Crash

Issue Map

Any background map including those specified in ChapterBackgrounds

Expected Behavior

Background maps should load fine after the second attempt

Operating System

No response