Loading q3dm17sample.map seems to work fine.
However trying to Quick Play the map gives me:
=== Stage 1: BSP ===
Q3Map v1.0s (c) 1999 Id Software Inc.
---- q3map ----
verbose = true
qdir: /quake/
gamedir: /quake/baseq3/
entering /quake/baseq3/scripts/shaderlist.txt
entering /quake/baseq3/scripts/acc.shader
entering /quake/baseq3/scripts/ammo.shader
entering /quake/baseq3/scripts/beams.shader
entering /quake/baseq3/scripts/cf_models.shader
entering /quake/baseq3/scripts/clown.shader
entering /quake/baseq3/scripts/clown2.shader
entering /quake/baseq3/scripts/common.shader
Unknown surfaceparm: "antiportal"
Unknown surfaceparm: "lightgrid"
entering /quake/baseq3/scripts/cosmoflash.shader
...
entering /quake/baseq3/scripts/weapon_shotgun.shader
1411 shaderInfo
--- LoadMapFile ---
Loading map file /quake/baseq3/maps/compile.map
entering /quake/baseq3/maps/compile.map
****** ERROR ****** LoadTGA: Only type 2 (RGB), 3 (gray), and 10 (RGB) TGA images supported
This is fixed and deployed now. https://github.com/drdator/q3edit/commit/8a91f6fb6b6cc39c116...
Thanks for the bug report. Quick play seems broken in production atm. Im trying to figure out why.