I don't understand your answer. The map certainly does show up in game, and the name of the map file is listed:
CRYPT OF DALNIR: RITUAL CHAMBER (SOLO) LOWER
exp13_dun_dalnir_02_solo_0
CRYPT OF DALNIR: RITUAL CHAMBER (SOLO) UPPER
exp13_dun_dalnir_02_solo_1
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