Time:Any
Frequency:Always when Ifrit-Egi is Summoned and WHM casts Stoneskin II
World name:Behemoth
Character name:Umbreon Skystorm
NPC name:None
Monster name:None
Class/Level:50
Party or solo:Party
In-game time:Any
Area and coordinates:Any
Steps:
1. Summon Ifrit-Egi.
2. The White Mage in the party uses Stoneskin II
3. All the players and pets will receive stoneskin except Ifrit-Egi.
Note: It happened with more people, not only with me. (I tested with 3 more friends and we had the same Issue, one uses ps4 and the other uses a PC.)

Connection Specs
- Speedy - Vivo - Brazil.