Any idea what this is? Devs?

[Jezebell]

from World.exe output:

zoneID is NULL in Client::Clearance!!

[Jezebell]

anyone? Devs? Support Helpers? anyone seen this before? :)

[RexChaos]

I've had that error before. And it generally screws up connecting. Also, I've been getting disconnected from the world server a lot more lately. Any ideas why? Are these two problems related?