Noclip Issue - Editing Questions - Doomworld

So, I was creating a new battle for my slaughtermap, but then I encountered a critical error: when I pass through a certain part of my map (which I dont know specifically), I noclip through some walls (not all of them), and I am unable to activate Walk Over triggers.

DoomKrakken's Content - Doomworld

Ultimate Doom Builder not reading certain frames from the IWAD? - Doom Editing - Doomworld

Boxcutter - Episode 1 [10 Vanilla Maps] (Scythe + Eternal Doom) - WAD Releases & Development - Doomworld

Protoslayer - WAD Releases & Development - Doomworld

Undertale] Determination. (Update 1.11 - LOVE Counter+Fix) - ZDoom

Best way to have a light move with a floor? - ZDoom

DOOM+ V1.3 addon - ModDB

lokbustam257's Content - Page 6 - Doomworld

Compendium - Classic Megawad Compilation - Page 11 - ZDoom

Best way to avoid no clip glitch without slowing player down? [linedef skipping] - Doom Editing - Doomworld

Noclip Issue - Editing Questions - Doomworld

The ask a miscellaneous editing question thread *** - Page 101 - Doom Editing - Doomworld