Disconnect from Frontlines while on mount

[Kyandeisu]

TIME: During peek hours and off-peek hours.
FREQUENCY: Anytime moving while mounted or using the SPRINT skill.
WORLD NAME: Diabolos
CHARACTER NAME: Kya Waifu
NPC NAME: N/A
MONSTER NAME: N/A
CLASS/LEVEL: Paladin (50)
PARTY OR SOLO: 8 man Party.
IN-GAME TIME: Anytime
AREA AND COORDINATES: Anywhere inside Frontlines (Borderland Ruins) PVP
Steps:
Moving while on a mount gives 90000
Moving while on foot using the SPRINT skill gives 90002
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CONNECTION SPECS
-Type of internet connection/provider: Optic Fiber High speed (wireless)/Starhub
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System Information
GPU: GeForce GTX 750 Ti
CPU: Intel® Core™ i7 CPU 860 @ 2.80GHz
Memory: 8.00 GB RAM
Resolution: 1920 x 1080, 60Hz
Operating System: Windows 7 Home Premium


I did see one post about this in the "resolved issues" section but there was no resolve issue actually posted, just I guess the original poster did not respond with the correct format for bug reports or the additional information.

ADDITIONAL INFORMATION:
While playing inside Frontlines (Borderland Ruins) PVP dungeon I would get a 90000 error while being disconnected at the same time if I am moving while on a mount. I have tested several mounts but all have the same effect. After further testing I found that I would get a 90002 error if I were to use SPRINT while moving as well. This only happens inside Frontlines (Borderland Ruins) PVP Dungeon, and I do not have any other issues or problems arising other than being handicapped while moving about inside the dungeon. My internet connection is fine, as it plays just fine if I run or walk on foot without using the SPRINT skill.

[mvenom]

I'm having same issues while playing on Monk and using Shoulder tackle (Quickly rushes towards target).
I dont get "you are already logged in" text, which I get from every other 90k error, when trying to log back right away.
And it happens always right after I used Shoulder tackle.