PS4

Time: Tuesday, August 30, around 8pm Eastern Time (US)
Frequency: Once
World name: Leviathan
Character name: Eat Lead (Lalafell, Plainsfolk, Marauder)
Retainer name: n/a
NPC name: n/a
Monster name: n/a
Class/Level: 33 (but level synced)
Party or solo: Party
In-game time: unknown
Area and coordinates: The Thousand Maws of Toto Rak
Housing: n/a
Steps:
1. Receive Warden's Gauntlets from treasure chest
2. Get an error message that says "You cannot equip this on your job/class"
3. I was a Marauder so there was no reason why I couldn't equip it.