Date & Time: 9JAN21
Frequency: Randomly
World name: Behemoth
Character name: Deceptus Keelon
Party or solo: Solo
In-game time:

Steps:
1. Switch to Job BLU Mage
2. Activate Aetherial Mimicry
3. Randomly lose access to all menu options. First noticed BLU spellbook was unavailable, then found that all Return / Teleportation is affected as well
4. Logging out then back in Resolves issue.