Here is the relevant parts from Risen3D.out ...
Executable: Risen3D ßV2.0.01 Feb 19 2006
OS : Windows XP 5.1.2600
===================================================
>warp 2
Changing Level...
SETTING UP LEVEL...
Finalising setup...
7 boundary trace groups
26 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP02
===================================================
>warp 3
Changing Level...
SETTING UP LEVEL...
Finalising setup...
WARNING : Map has single sided line error(s).
Line total 2840 lines tested 2838
4 boundary trace groups
5 subsectors are ungrouped.
4 unused side tex defs found.
Map errors fixed:
1 line found with unset tags.
freedoom
Current map : MAP03
===================================================
>warp 4
Changing Level...
SETTING UP LEVEL...
Finalising setup...
2 boundary trace groups
48 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP04
===================================================
>warp 5
Changing Level...
SETTING UP LEVEL...
Finalising setup...
Unknown thing mapnum 4 type 4001
Unknown thing mapnum 5 type 4003
Unknown thing mapnum 6 type 4004
Unknown thing mapnum 7 type 4002
TP [thing 127] error: sec 217 not linked
2 boundary trace groups
1 map error found.
freedoom
Current map : MAP05
===================================================
>warp 7
Changing Level...
SETTING UP LEVEL...
Finalising setup...
1 boundary trace groups
8 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP07
===================================================
>warp 10
Changing Level...
SETTING UP LEVEL...
Finalising setup...
5 boundary trace groups
17 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP10
===================================================
>warp 11
Changing Level...
SETTING UP LEVEL...
Finalising setup...
Unknown thing mapnum 4 type 4001
Unknown thing mapnum 5 type 4002
Unknown thing mapnum 6 type 4003
Unknown thing mapnum 7 type 4004
3 boundary trace groups
No map errors found.
freedoom
Current map : MAP11
===================================================
>warp 13
Changing Level...
SETTING UP LEVEL...
Finalising setup...
7 boundary trace groups
2 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP13
===================================================
>warp 16
Changing Level...
SETTING UP LEVEL...
Finalising setup...
6 boundary trace groups
4 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP16
===================================================
>warp 17
Changing Level...
SETTING UP LEVEL...
Finalising setup...
ERROR: LINE 723 should not have a backsector
2 boundary trace groups
30 unused side tex defs found.
Map errors fixed:
1 missing texture.
freedoom
Current map : MAP17
===================================================
>warp 18
Changing Level...
SETTING UP LEVEL...
Finalising setup...
7 boundary trace groups
41 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP18
===================================================
>warp 21
Changing Level...
SETTING UP LEVEL...
Finalising setup...
Unknown thing mapnum 0 type 4001
Unknown thing mapnum 1 type 4002
Unknown thing mapnum 2 type 4003
Unknown thing mapnum 3 type 4004
4 boundary trace groups
No map errors found.
freedoom
Current map : MAP21
===================================================
>warp 22
Changing Level...
SETTING UP LEVEL...
Finalising setup...
Unknown thing mapnum 1 type 32000
8 boundary trace groups
21 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP22
===================================================
>warp 23
Changing Level...
SETTING UP LEVEL...
Finalising setup...
TP [thing 147] error: sec 104 not linked
TP [thing 148] error: sec 105 not linked
TP [thing 149] error: sec 109 not linked
TP [thing 150] error: sec 108 not linked
TP [thing 439] error: sec 161 not linked
TP [thing 440] error: sec 235 not linked
5 boundary trace groups
41 unused side tex defs found.
6 map errors found.
freedoom
Current map : MAP23
===================================================
>warp 25
Changing Level...
SETTING UP LEVEL...
Finalising setup...
MAP ERROR: single sided line in sector 687 has the
wrong sector.
this has been corrected to 687
TP [thing 371] error: sec 666 not linked
TP [thing 372] error: sec 745 not linked
55 boundary trace groups
1 subsec ptrs corrected [type 2].
21 unused side tex defs found.
Map errors fixed:
2 missing textures.
freedoom
Current map : MAP25
===================================================
>warp 26
Changing Level...
SETTING UP LEVEL...
Finalising setup...
1 boundary trace groups
10 unused side tex defs found.
No map errors found.
freedoom
Current map : MAP26
===================================================
>warp 27
Changing Level...
SETTING UP LEVEL...
Finalising setup...
1 boundary trace groups
22 unused side tex defs found.
Map errors fixed:
8 empty sectors noted.
freedoom
Current map : MAP27
===================================================
>warp 29
Changing Level...
SETTING UP LEVEL...
Finalising setup...
Unknown thing mapnum 215 type 4001
Unknown thing mapnum 216 type 4001
Unknown thing mapnum 217 type 4003
Unknown thing mapnum 218 type 4004
6 boundary trace groups
No map errors found.
freedoom
Current map : MAP29
===================================================
>warp 30
Changing Level...
SETTING UP LEVEL...
Finalising setup...
TP [thing 275] error: sec 137 not linked
WARNING : Map has single sided line error(s).
Line total 3659 lines tested 3625
20 boundary trace groups
37 subsectors are ungrouped.
2 map errors found.
freedoom
Current map : MAP30
===================================================
>warp 31
Changing Level...
SETTING UP LEVEL...
Finalising setup...
28 boundary trace groups
977 unused side tex defs found.
Map errors fixed:
5 empty sectors noted.
freedoom
Current map : MAP31
===================================================
Also for map 20 ...
Teleporter at lines 2949 doesn't show and lines 1647-49
cross other sectors causing hom in floor.
Logged In: NO
Ignore these ...
Map 5 - TP [thing 127] error: sec 217 not linked
Map 25 - TP [thing 371] error: sec 666 not linked
TP [thing 372] error: sec 745 not linked
These are linked so are ok - Risen3D error.
Logged In: NO
Things 4001 - 4004 are multiplayer ZDOOM player starts 5 -8.
This is a boom wad not zdoom so should be deleted.