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Date & Time: 5/23/2021 7:57pm PDT
Frequency: Every time
World name: Excalibur
Character name: Miko'to Khagami
NPC name: The Smith
Class/Level: Gunbreaker, Dancer
Party or solo: Solo
In-game time: 8:05pm
Area and coordinates: Western La Noscea (28.6, 24.2, 0.2)
Steps:
1. Become either Gunbreaker or Dancer
2. Talk to The Smith and attempt to register for Hall of the Novice training
3. Get "Unable to access Hall of the Novice training while using this job" notification.
*Add more steps if necessary

I can add the PC specs if absolutely necessary but I didn't see how it'd be applicable.