Operation Snake Eyes failing

[Pilotoffate]

Platform: Windows 10
ISP: AT&T
Type of Internet Connection: Fiber
Internet Connection Speed: 1Gb
Date & Time: May 1, 2022 12:46 Est
Frequency: Three times
Character Name: Bonquiqui
Race: Taru
World: Lakshmi
Main Job: Cor
Support Job: Blm
Area and Coordinates: Assault: Operation Snake Eyes
Party or Solo: Party 1 other member
NPC Name: None
Monster Name: Lamia 17
Steps:
1. Entered Assault as normal.
2. Killed Qutrubs, opened the first door, Killed lamia adds, and Lamia 14 opened the 2nd door.
3. Engaged Umarid was taken down to 20-48% on all three attempts, which spawned Lamia 17.
4. Once Lamia 17 spawned, disengaged Umarid, and engaged and killed Lamia 17.
5. I did not kill Umarid afterward or during all three attempts and was given a failed message about 2 minutes after Umarid's name turned green.

[Alhanelem]

After defeating the Lamia 17, the rune of release should pop at (I-5). Are you not finding it?

[Pilotoffate]

Nothing would pop. It would stay blank, I Tried it solo after a reset, and It worked fine this time.