Объясните, пожалуйста, что это значит

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: Windows 7 (x86) version 6.1
Java Version: 1.8.0_91, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 847272256 bytes (808 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms1024M -Xmx1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1614 113 mods loaded, 103 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
Umcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UFML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10-universal.jar)
UForge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10-universal.jar)
Uappliedenergistics2-core{rv3-beta-5} [Applied Energistics 2 Core] (minecraft.jar)
UCodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar)
UNotEnoughItems{1.0.5.118} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.118-universal.jar)
U{000} [CoFH ASM] (minecraft.jar)
UTreecapitator{1.7.10} [Treecapitator] ([1.7.10]Treecapitator-universal-2.0.4.jar)
Uadventurebackpack{1.7.10-0.8b} [Adventure Backpack] (adventurebackpack-1.7.10-0.8c.jar)
UAgriCraft{1.7.10-1.5.0} [AgriCraft] (AgriCraft-1.7.10-1.5.0.jar)
Uappliedenergistics2{rv3-beta-5} [Applied Energistics 2] (appliedenergistics2-rv3-beta-5.jar)

Ubagginses{2.1.1} [Bagginses] (Bagginses-2.1.1.jar)
UBaubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
UBiblioCraft{1.11.4} [BiblioCraft] (BiblioCraft[v1.11.4][MC1.7.10].jar)
UBiblioWoodsForestry{1.7} [BiblioWoods Forestry Edition] (BiblioWoods[Forestry][v1.7].jar)
UBiblioWoodsNatura{1.5} [BiblioWoods Natura Edition] (BiblioWoods[Natura][v1.5].jar)
UBloodArsenal{1.2-5} [Blood Arsenal] (BloodArsenal-1.7.10-1.2-5.jar)
UAWWayofTime{v1.3.3} [Blood Magic: Alchemical Wizardry] (BloodMagic-1.7.10-1.3.3-17.jar)
UBuildCraft|Builders{7.1.16} [BC Builders] (buildcraft-7.1.16.jar)
UBuildCraft|Transport{7.1.16} [BC Transport] (buildcraft-7.1.16.jar)
UBuildCraft|Energy{7.1.16} [BC Energy] (buildcraft-7.1.16.jar)
UBuildCraft|Silicon{7.1.16} [BC Silicon] (buildcraft-7.1.16.jar)
UBuildCraft|Robotics{7.1.16} [BC Robotics] (buildcraft-7.1.16.jar)
UBuildCraft|Core{7.1.16} [BuildCraft] (buildcraft-7.1.16.jar)
UBuildCraft|Factory{7.1.16} [BC Factory] (buildcraft-7.1.16.jar)
UCarpentersBlocks{3.3.7} [Carpenter's Blocks] (Carpenter's Blocks v3.3.7 - MC 1.7.10.jar)
UChickenChunks{1.3.4.19} [ChickenChunks] (ChickenChunks-1.7.10-1.3.4.19-universal.jar)
UCoFHCore{1.7.10R3.1.2} [CoFH Core] (CoFHCore-[1.7.10]3.1.2-325.jar)
Ucustomnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10d(21feb16).jar)
UPTRModelLib{1.0.0} [PTRModelLib] (Decocraft-2.3.2_1.7.10.jar)
Uprops{2.3.2} [Decocraft] (Decocraft-2.3.2_1.7.10.jar)
Uendercore{1.7.10-0.2.0.33_beta} [EnderCore] (EnderCore-1.7.10-0.2.0.33_beta.jar)
UEnderStorage{1.4.7.37} [EnderStorage] (EnderStorage-1.7.10-1.4.7.37-universal.jar)
Uexastris{MC1.7.10-1.16-36} [Ex Astris] (Ex-Astris-MC1.7.10-1.16-36.jar)
Uexnihilo{1.38-49} [Ex Nihilo] (Ex-Nihilo-1.38-49.jar)