Error core 90k, followed by error code 5003 (October 15, 2013, 5:20pm Eastern)

[Cylla]

Time: first time don't remember the time, 2nd time was around 6:30pm est
Frequency: Twice
World name: Hyperion
Character name: Cylla Nightsong
NPC name: Not applicable
Monster name: Both times was in WP/AK
Class/Level: WHM 50
Party or solo: Party
In-game time: NA
Area and coordinates: NA - but again was in WP/AK when it happened
Steps:
1.Just zoning in to WP happened first time, 2nd time was after the first boss fight in AK
2.Error code 90,000
3.Error code authentication issue, code 5003
4.Game closes out and have to re-log back in

[Warsun]

Time: first time don't remember the time, 2nd time was around 6:30pm est
Frequency: Twice
World name: Hyperion
Character name: Cylla Nightsong
NPC name: Not applicable
Monster name: Both times was in WP/AK
Class/Level: WHM 50
Party or solo: Party
In-game time: NA
Area and coordinates: NA - but again was in WP/AK when it happened
Steps:
1.Just zoning in to WP happened first time, 2nd time was after the first boss fight in AK
2.Error code 90,000
3.Error code authentication issue, code 5003
4.Game closes out and have to re-log back in

"" same as above on Excalibur server , twice so far today, around 2pm and 6pm central. (happened while crafting/harvesting in south shroud)

[Nanfoodle]

Same seems to happen randomly. happened during gathering in lower la nocea and also in south shroud and again in ul'dha and again in garneda

[Roez]

Error core 90k, followed by error code 5003 (October 15, 2013, approximately 5:15pm EST and 7:50 pm EST)

Time: October 15, 2013, approximately 5:15pm EST and 7:50 pm EST
Frequency: two times (edit: 3 times now)
World name: Malboro
Character name: Roez Tenderwalker
NPC name: Not applicable
Monster name: Not applicable
Class/Level: Goldsmith, level 50
Party or solo: Solo
In-game time: No clue
Area and coordinates: New Gridania, next to the Inn guy, Adventurers Guild
Steps:
1. Crafting, screen goes black: computer is fine, other programs still running
2.Error code 90,000
3.Error code authentication issue, code 5003
4.Exit game, restart game

[Sofy]

any words anywhere about a fix?

[Hara_Hatsuharu]

Same here. I keep getting kicked out of the game with the authentication error about every hour.

Time: 5:20pm Eastern
Frequency: one time
World name: Famfrit
Character name: Schelle Sommers
NPC name: Not applicable
Monster name: Not sure, it was whatever comes up in MQ when you use the smouldering coal
Class/Level: Schelle was on Arcanist, level 25
Party or solo: She was solo
In-game time: I have no idea. It was night.
Area and coordinates: Somewhere in Western Than, near where the rat-people are, on the other side of the bridge
Steps:
1.Fight, blackout
2.Error code 90,000
3.Error code authentication issue, code 5003
4.Have to do a ctrl/alt/del in order to get the game to stop running (it was just a black screen for 30+ seconds)

[Annana]

Time: 5:00 pm Pacific
Frequency: Once
World name: Gilgamesh
Character name: Annana Anna
NPC name: N/A
Monster name: Tonberry in WP, Soul harvester in AK
Class/Level: Level 50 WHM
Party or solo: In Duty, WP and AK
Area and coordinates: In Duty, WP and AK
Steps:
1. Happens randomly.
2. Error 90k
3. Error 5003
4. Game crash
5. Relog without issues.

[shaken]

Time: 1:48 GMT
Frequency: Once
World name: Ragnarok
Character name: Ninjafada Wipefever
NPC name: N/A
Monster name: N/A
Class/Level: Goldsmith 50
Party or solo: solo crafting
Area and coordinates: Gridania near the bell
Steps:
1. Error 90k
2. Error 5003
3. Game crash
4. Relog without issues

[Zaels]

Time: 7:20 PST
Frequency: 3rd time today
World name: Diabolos
Character name: Aeryn Zael
NPC name: N/A
Monster name: N/A
Class/Level: Alchemist 15
Party or solo: crafting solo
Area and coordinates: Alchemist's Guild in Ul'dah
Steps:
1. Error 90k
2. Error 5003 Authentication Error
3. Game crash

[Ysarel]

Time: ~4:00 first time, ~9:30 second
Frequency: Twice
World name: Excalibur
Character name: Y'sarel Khai
NPC name: Not applicable
Monster name: different mobs
Class/Level: BRD 46
Party or solo: both
In-game time: various
Area and coordinates: various
Steps:
1.In overworld first time, Dzemael the second
2.Error code 90,000
3.Error code authentication issue, code 5003
4.Game closes out

From what I've managed to verify between myself and others it appears to occur ~3 hours after logging in.