Not entirely sure what happened. It was up for a long while but at some point while playing, the server crashed, and now it crashes within ten minutes after startup, whether someone is on or not.

Using 1.7.10-7.1.0.92 of Mekanism, Generators and Tools.

---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [HUG]

Time: 9/19/14 11:15 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
at mekanism.common.FluidNetwork.onUpdate(FluidNetwork.java:257)
at mekanism.api.transmitters.DynamicNetwork.tick(DynamicNetwork.java:267)
at mekanism.api.transmitters.TransmitterNetworkRegistry.tickEnd(TransmitterNetworkRegistry.java:85)
at mekanism.api.transmitters.TransmitterNetworkRegistry.onTick(TransmitterNetworkRegistry.java:73)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_365_TransmitterNetworkRegistry_onTick_ServerTickEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
at cpw.mods.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:247)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:590)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

A detailed walkthrough of the error, its code path and all known details is as follows:

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Linux (amd64) version 2.6.32-431.23.3.el6.x86_64
Java Version: 1.7.0_55, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 3475707504 bytes (3314 MB) / 5211684864 bytes (4970 MB) up to 5211684864 bytes (4970 MB)
JVM Flags: 5 total; -Xmx5120M -Xms5120M -XX:+UseConcMarkSweepGC -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 15, tallocated: 103
FML: MCP v9.05 FML v7.10.25.1208 Minecraft Forge 10.13.0.1208 108 mods loaded, 108 mods active
mcp{9.05} Minecraft Coder Pack Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.25.1208} Forge Mod Loader Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.0.1208} Minecraft Forge Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AppliedEnergistics2-Core{rv0-stable-10} AppliedEnergistics2 Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{1.0.3.25} CodeChicken Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
{000} CoFH ASM Data Initialization Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems{1.0.3.51} Not Enough Items Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThaumicTinkerer-preloader{0.1} Thaumic Tinkerer Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenModsCore{@Version@} OpenModsCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bspkrsCore{6.13} bspkrsCore Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Treecapitator{1.7.2} Treecapitator Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Core{6.0.18} BuildCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2{2.2.642-experimental} IndustrialCraft 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CoFHCore{1.7.10R3.0.0B6} CoFH Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalFoundation{1.7.10R1.0.0B3} Thermal Foundation Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Baubles{1.0.1.7} Baubles Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
UniversalElectricity{@major@.@minor@.@revis@} Universal Electricity Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ForgeMultipart{1.1.0.300} Forge Multipart Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtraUtilities{1.1.0k} Extra Utilities Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Mantle{1.7.10-0.3.1.jenkins180} Mantle Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Natura{2.2.0} Natura Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiomesOPlenty{2.0.2} Biomes O' Plenty Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forestry{3.0.0.127} Forestry for Minecraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded{1.7.10R2.8.0RC3} MineFactory Reloaded Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Builders{6.0.18} BC Builders Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Energy{6.0.18} BC Energy Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Factory{6.0.18} BC Factory Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Thaumcraft{4.2.0.1} Thaumcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Railcraft{9.2.2.0} Railcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThermalExpansion{1.7.10R4.0.0B5} Thermal Expansion Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RedstoneArsenal{1.7.10R1.1.0B4} Redstone Arsenal Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Mekanism{7.1.0} Mekanism Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
appliedenergistics2{rv0-stable-10} Applied Energistics 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Backpack{2.0.0} Backpack Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiblioCraft{1.7.5} BiblioCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiblioWoodsBoP{1.7} BiblioWoods Biomes O'Plenty Edition Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Transport{6.0.18} BC Transport Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Highlands{2.2.0} Highlands Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiblioWoodsHighlands{1.2} BiblioWoods Highlands Edition Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiblioWoodsNatura{1.3} BiblioWoods Natura Edition Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BinnieCore{2.0-dev4} Binnie Core Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Botany{2.0-dev4} Botany Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtraBees{2.0-dev4} Extra Bees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtraTrees{2.0-dev4} Extra Trees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Genetics{2.0-dev4} Genetics Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BuildCraft|Silicon{6.0.18} BC Silicon Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EnderStorage{1.4.5.22} EnderStorage Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
factorization.notify{1.0} Factorization Notification System Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
factorization{1.7.10-0.8.88.1} Factorization Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
factorization.misc{1.7.10-0.8.88.1} Factorization Miscellaneous Nonsense Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FlatSigns{2.0.0.17} Flat Signs Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
iChunUtil{4.0.0} iChunUtil Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Hats{4.0.0} Hats Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
HatStand{4.0.0} HatStand Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2NuclearControl{1.7.10.06} Nuclear Control Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IronChest{6.0.41.729} Iron Chest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TConstruct{1.7.10-1.6.0.build611} Tinkers' Construct Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThaumicTinkerer{2.5-1.7.10-158} Thaumic Tinkerer Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MagicBees{1.7.10-2.1.19} Magic Bees Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MekanismGenerators{7.1.0} MekanismGenerators Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MekanismTools{7.1.0} MekanismTools Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ResonantEngine{@major@.@minor@.@revis@} Resonant Engine Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MFFS{@major@.@minor@.@revis@} Modular Force Field System Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatAppliedEnergistics{1.7.10R2.8.0RC3} MFR Compat: Applied Energistics Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatAtum{1.7.10R2.8.0RC2} MFR Compat: Atum Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatBackTools{1.7.10R2.8.0RC3} MFR Compat: BackTools Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatBuildCraft{1.7.10R2.8.0RC3} MFR Compat: BuildCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatChococraft{1.7.10R2.8.0RC2} MFR Compat: Chococraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatExtraBiomes{1.7.10R2.8.0RC2} MFR Compat: ExtraBiomes Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatForestry{1.7.10R2.8.0RC3} MFR Compat: Forestry Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatForgeMicroblock{1.7.10R2.8.0RC3} MFR Compat: ForgeMicroblock Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatIC2{1.7.10R2.8.0RC3} MFR Compat: IC2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatMystcraft{1.7.10R2.8.0RC2} MFR Compat: Mystcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatPams{1.7.10R2.8.0RC2} MFR Compat: Pam's Mods Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Core{4.4.8.47} ProjectRed Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Exploration{4.4.8.47} ProjectRed-Exploration Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatProjRed{1.7.10R2.8.0RC2} MFR Compat ProjectRed Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatRailcraft{1.7.10R2.8.0RC3} MFR Compat: Railcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatRP2{1.7.10R2.8.0RC2} MFR Compat: RP2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatSufficientBiomes{1.7.10R2.8.0RC2} MFR Compat: Sufficient Biomes Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatThaumcraft{1.7.10R2.8.0RC3} MFR Compat: Thaumcraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatThermalExpansion{1.7.10R2.8.0RC3} MFR Compat: Thermal Expansion Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TwilightForest{2.2.3} The Twilight Forest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatTwilightForest{1.7.10R2.8.0RC3} MFR Compat: TwilightForest Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFactoryReloaded|CompatVanilla{1.7.10R2.8.0RC3} MFR Compat: Vanilla Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Morph{0.9.0} Morph Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons{1.12.2.9} NEI Addons Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|Botany{1.12.2.9} NEI Addons: Botany Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|Forestry{1.12.2.9} NEI Addons: Forestry Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|CraftingTables{1.12.2.9} NEI Addons: Crafting Tables Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NEIAddons|ExNihilo{1.12.2.9} NEI Addons: Ex Nihilo Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ObsidiPlates{3.0.0.18} ObsidiPlates Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenMods{0.6} OpenMods Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenBlocks{1.3} OpenBlocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PneumaticCraft{1.2.6} PneumaticCraft Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Transmission{4.4.8.47} ProjectRed-Transmission Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Transportation{4.4.8.47} ProjectRed-Transportation Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Compatibility{4.4.8.47} ProjectRed-Compatibility Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Integration{4.4.8.47} ProjectRed-Integration Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Illumination{4.4.8.47} ProjectRed-Illumination Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ProjRed|Expansion{4.4.8.47} ProjectRed-Expansion Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
StevesCarts{2.0.0.b18} Steve's Carts 2 Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Sync{4.0.0} Sync Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TMechworks{1.7.10-67.34d1d9b} Tinkers' Mechworks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Translocator{1.1.1.12} Translocator Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
witchery{0.20.5} Witchery Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
McMultipart{1.1.0.300} Minecraft Multipart Plugin Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ForgeMicroblock{1.1.0.300} Forge Microblocks Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Mantle Environment: Environment healthy.
AE2 Version: stable rv0-stable-10 for Forge 10.13.0.1152
TConstruct Environment: Environment healthy.
AE2 Integration: RotaryCraft:OFF, IC2:ON, RC:ON, BC:ON, MJ5:ON, MJ6:ON, RF:ON, RFItem:ON, MFR:ON, DSU:ON, FZ:ON, CLApi:OFF, RB:OFF, FMP:ON
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 75; [EntityPlayerMP['Xiro'/226, l='YouTube_Survival', x=-879.04, y=69.25, z=-900.30]]
Is Modded: Definitely; Server brand changed to 'fml,forge'
Type: Dedicated Server (map_server.txt)

Was fixed in a later Mekanism build.