Weird Lightning Problem

[ZedDB]

After i checked the cabin again it seems like i have the same problem after all. (Strange that i didn't noticed it before... It only happens when shader quality is set to high)
[attachment=260] [attachment=259]

Note that "specular = 0;" Only fix the flares and glow stick.
Without "specular = 0;"
[attachment=257][attachment=261][attachment=263]
With "specular = 0;"
[attachment=257][attachment=258][attachment=264]
And this is what happens when i add "spotColor.w;":
[attachment=262]

I will gladly test any other possible combination. Just ask