Have you tried not using the full path to the graphic? i.e. instead of
<texPath>Things/Building/Security/SNS/turrets/SNSGunTurretEternalLight</texPath>
try just
<texPath>SNSGunTurretEternalLight</texPath>
Not sure if that will solve your issue, but that's how I refer to graphics.
Hope that helps!
<texPath>Things/Building/Security/SNS/turrets/SNSGunTurretEternalLight</texPath>
try just
<texPath>SNSGunTurretEternalLight</texPath>
Not sure if that will solve your issue, but that's how I refer to graphics.
Hope that helps!