Can't open any map from Memento Mori

[entryway]

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Doom Builder
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Error -2147221503 in ReadMapLumps(): Could not find required lump THINGS!
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OK
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Doom Builder
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Error 9 while loading map: Subscript out of range
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OK
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[CodeImp]

It's possible (and very likely) that (due to crappy coded wad editors) some lumpnames contain garbage data bytes. So for example the THINGS lump doesnt look like THINGS but is actually THINGS%E or something ridiculous. Try make a copy of the wad file (you dont want to destroy the beautifull work of MM) and opening the wad file in a wad editor to fix the lump names first.

[entryway]

CodeImp said:

So for example the THINGS lump doesnt look like THINGS but is actually THINGS%E or something ridiculous.

It should work correctly because it ended with a \0

4D 41 50 30 31 00 00 53 │ 5C 84 65 00 9C 04 00 00  MAP01  S
54 48 49 4E 47 53 00 53 │ F8 88 65 00 54 23 00 00  THINGS S
4C 49 4E 45 44 45 46 53 │ 4C AC 65 00 F4 74 00 00  LINEDEFS
53 49 44 45 44 45 46 53 │ 40 21 66 00 E0 09 00 00  SIDEDEFS
56 45 52 54 45 58 45 53 │ 20 2B 66 00 B0 34 00 00  VERTEXES
53 45 47 53 00 4F 52 53 │ D0 5F 66 00 A4 06 00 00  SEGS ORS
53 53 45 43 54 4F 52 53 │ 74 66 66 00 60 2E 00 00  SSECTORS
4E 4F 44 45 53 00 53 00 │ D4 94 66 00 B6 0D 00 00  NODES S
53 45 43 54 4F 52 53 00 │ 8A A2 66 00 E7 08 00 00  SECTORS
52 45 4A 45 43 54 00 50 │ 71 AB 66 00 E4 15 00 00  REJECT P
42 4C 4F 43 4B 4D 41 50 │ 55 C1 66 00 08 89 00 00  BLOCKMAP

[CodeImp]

Ah well Doom Builder reads and handles them as fixed lengths strings, so next version ill fix it by setting all bytes to zero after the zero terminator.