Guild Wars 2

Sometimes when i quit gw2 i get the error box to report to anet.
here is what some of it says.

—> Crash <—
Assertion: Model leaks detected.
File: ..\..\..\Engine\Model\Model.cpp(6990)
App: Gw2.exe
Pid: 4812
Cmdline:
BaseAddr: 01100000
ProgramId: 101
Build: 47388
When: 2015-04-08T07:54:07Z 2015-04-08T08:54:07+01:00
Uptime: 0 days 0:20:39
Flags: 0

—> Error Logs <—
03539b’ dimensions too small
Loading ‘0’ texture failed
Couldn’t find projectile effect for skill ‘KIWQR.f0qXr’
Texture missing mip chain: 0×00e689
Couldn’t find projectile effect for skill ‘KIWQR.f0qXr’
Couldn’t find projectile effect for skill ‘KIWQR.f0qXr’
Couldn’t find projectile effect for skill ‘KIWQR.f0qXr’
Couldn’t find projectile effect for skill ‘KIWQR.f0qXr’
Map load hang on STATE_MODELS_STREAM detected: MapId: 38, Position: (33494.300781, -33254.000000, -1764.760010), Completion: 0.000000
Content is referencing a propID that doesn’t exist propId=‘1465781116498615825’
Content is referencing a propID that doesn’t exist propId=‘1502432776989712193’
Content is referencing a propID that doesn’t exist propId=‘1512065984907714073’
Texture ‘0×03539b’ dimensions too small
Loading ‘0’ texture failed
Model ‘0×082244’: Failed to resolve AimIK bone indices.
Model ‘0×082245’: Failed to resolve AimIK bone indices.
Couldn’t find projectile effect for skill ‘KIWQR.f0qXr’
Map load hang on STATE_MODELS_STREAM detected: MapId: 38, Position: (33494.300781, -33254.000000, -1764.760010), Completion: 0.000000
Content is referencing a propID that doesn’t exist propId=‘1465781116498615825’
Content is referencing a propID that doesn’t exist propId=‘1502432776989712193’
Content is referencing a propID that doesn’t exist propId=‘1512065984907714073’
Texture ‘0×03539b’ dimensions too small
Loading ‘0’ texture failed
Texture missing mip chain: 0×00f980
Texture missing mip chain: 0×00f982
Map load hang on STATE_MODELS_STREAM detected: MapId: 38, Position: (33494.300781, -33254.000000, -1764.760010), Completion: 0.000000
Texture ‘0×03539b’ dimensions too small
Loading ‘0’ texture failed
Content is referencing a propID that doesn’t exist propId=‘1465781116498615825’
Content is referencing a propID that doesn’t exist propId=‘1502432776989712193’
Content is referencing a propID that doesn’t exist propId=‘1512065984907714073’
Model leaked. Trace: “..\..\..\Game\AgentView\AvCharModel.cpp”(2091) refCount=1

Drivers are up to date.
Only started happing since last update as well.

[edit] I only play wvw not sure if it’s that that’s causing it as well.