This is what happens when I try to compile this map:
Client supports HDR, loading DX9 HDR shader module...
materialPath: D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2/materials
Loading D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2\maps\d1_town_01b.vmf
material "metal/metalwall001e" not found
Material not found!: METAL/METALWALL001E
Material "___error":
No render states in shader "UnlitGeneric"
material "black" not found
Material not found!: BLACK
fixing up env_cubemap materials on brush sides...
Ignoring env_cubemap on "BRICK/BRICKWALL049B" which doesn't use an envmap
0 . . . 1 . . . 2 . . . 3 . . . 4 . . . 5 . . . 6 . . . 7 . . . 8 . . . 9 . . . 10
<vbsp stops working>
4 threads
reading D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2/maps/d1_town_01b.bsp
Error opening D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2/maps/d1_town_01b.bsp
[Reading texlights from 'D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2/lights.rad']
[45 texlights parsed from 'D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2/lights.rad']
Loading D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2/maps/d1_town_01b.bsp
Error opening D:/Non-Steam/HL2 leak Patched/anon-hl2/hl2/maps/d1_town_01b.bsp
<vrad stops working>