This crash occurs infrequently, sometimes ten minutes after startup, sometimes several hours.
Forge Version: 11.15.1.1764
Here is the crash log, http://hastebin.com/ifiwiqikip.vhdl
Here is the server log, http://hastebin.com/ufapaqevug.vhdl
The mods installed:
TConstruct 2.2.0a
SteamAdvantage 1.5.3
SpongeRecipe 1.0 (Custom mod, just adds a recipe crash occurred multiple times before we added it)
rucksacks 1.0
RTG 0.0.5
RopeBridge 1.3 MC1.8.8
Redstonepaste 1.7.2 MC1.8.8
RandomThings 3.6.4
PowerAdvantage 1.5.3
PotionCore 1.0
OpenComputers 1.5.22.6
Not Enough Potions 1.0
Mantle 0.9.0
Hopperducts 1.4.6
BaseMetals 1.7.4
Mods without specified Minecraft version are all 1.8.9
I realize this may not be forge related, but I really have no idea where it's coming from so any guidance is very appreciated.