Frequency: Whenever the item gets Dropped
World name: Ragnarok
Character name: Kuraso Ryu
Class/Level: Lancer & Dragoon / 30+
Party or solo: Party
Area and coordinates: Every area 30+
Steps:
1. Get Dropped a piece of lancer/gladiator/marauder gear
2. Try to need it, Unable, greyed out.

PS: I've discarded unneeded information like pc specs, when it's obviously a "mechanics related" bug