Academy crash 1.0.6
minecraft crash when I use the skills sometimes

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 30/01/18 19:18
Description: Exception in server tick loop

java.lang.IllegalStateException: Can only activate context at local.
at com.google.common.base.Preconditions.checkState(Preconditions.java:176)
at cn.academy.ability.api.context.ContextManager.activate(ContextManager.java:70)
at cn.academy.ability.api.Skill$SingleKeyDelegate.onKeyDown(Skill.java:429)
at cn.academy.ability.api.context.ClientRuntime$Events.onClientTick(ClientRuntime.java:300)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_389_Events_onClientTick_TickEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at cpw.mods.fml.common.FMLCommonHandler.onPreServerTick(FMLCommonHandler.java:260)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:536)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186)
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: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 541042856 bytes (515 MB) / 1073741824 bytes (1024 MB) up to 1073741824 bytes (1024 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
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 Optifine OptiFine_1.7.10_HD_D1 45 mods loaded, 45 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAAAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJAAAA Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10.jar)
UCHIJAAAA AM2-Preloader{0.0.3} [AMCore] (minecraft.jar)
UCHIJAAAA CodeChickenCore{1.0.7.46} [CodeChicken Core] (minecraft.jar)
UCHIJAAAA itemphysic{1.1.5} [ItemPhysic] (minecraft.jar)
UCHIJAAAA LambdaLib|Core{1.2.3} [LambdaLib|Core] (minecraft.jar)
UCHIJAAAA NotEnoughItems{1.0.5.111} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.111-universal.jar)
UCHIJAAAA mod_ThreadedLighting{1.7.10-1.0} [Threaded Lighting] (minecraft.jar)
UCHIJAAAA gilded-games-util{1.7.10-1.2} [Gilded Games Utility] (gilded-games-util-1.7.10-1.9.jar)
UCHIJAAAA AnimationAPI{1.2.4} [AnimationAPI] (AnimationAPI-1.7.10 (1).jar)
UCHIJAAAA arsmagica2{1.4.0.009} [Ars Magica 2] (1.7.10_AM2-1.4.0.009 (1).jar)
UCHIJAAAA securitycraft{v1.8.3} [SecurityCraft] ([1.7.10]+SecurityCraft+v1.8.3.jar)
UCHIJAAAA FLabsBF{4.3} [Better Furnaces] ([1.7.10]Better_Furnaces_V4.3.jar)
UCHIJAAAA bspkrsCore{6.15} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.15.jar)
UCHIJAAAA Treecapitator{1.7.10} [Treecapitator] ([1.7.10]Treecapitator-universal-2.0.4.jar)
UCHIJAAAA LambdaLib{1.2.3} [LambdaLib] (LambdaLib-1.2.3.jar)
UCHIJAAAA academy-craft{1.0.5} [Academy Craft] (AcademyCraft-Mod-1.7.10.jar)
UCHIJAAAA adventurebackpack{0.1} [Adventure Backpack] (Adventure-Backpack-Mod-1.7.10 (1).jar)
UCHIJAAAA aether{1.7.10-1.6} [Aether II] (aether-1.7.10-1.6.jar)
UCHIJAAAA nevermine{2.3} [AdventOfAscension] (AoA-2.4.B.jar)
UCHIJAAAA BuildCraft|Core{7.1.12} [BuildCraft] (buildcraft-7.1.12.jar)
UCHIJAAAA BuildCraft|Builders{7.1.12} [BC Builders] (buildcraft-7.1.12.jar)
UCHIJAAAA BuildCraft|Transport{7.1.12} [BC Transport] (buildcraft-7.1.12.jar)
UCHIJAAAA BuildCraft|Energy{7.1.12} [BC Energy] (buildcraft-7.1.12.jar)
UCHIJAAAA BuildCraft|Silicon{7.1.12} [BC Silicon] (buildcraft-7.1.12.jar)
UCHIJAAAA BuildCraft|Robotics{7.1.12} [BC Robotics] (buildcraft-7.1.12.jar)
UCHIJAAAA BuildCraft|Factory{7.1.12} [BC Factory] (buildcraft-7.1.12.jar)
UCHIJAAAA cfm{3.4.8} [§9MrCrayfish's Furniture Mod] (cfm-3.4.8-mc1.7.10 (1).jar)
UCHIJAAAA DamageIndicatorsMod{3.2.0} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar)
UCHIJAAAA props{1.10} [Decocraft] (Decocraft-1.10_1.7.2and1.7.10.jar.zip)
UCHIJAAAA MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.3.1.zip)
UCHIJAAAA EnderStorage{1.4.7.36} [EnderStorage] (EnderStorage-1.7.10-1.4.7.36-universal.jar)
UCHIJAAAA IC2{2.2.629-experimental} [IndustrialCraft 2] (industrialcraft-2-2.2.629-experimental.jar)
UCHIJAAAA lucky{5.1.0} [Lucky Block] (Lucky-Block-Mod-1.7.10.jar)
UCHIJAAAA MCEF{0.6} [Minecraft Chromium Embedded Framework] (MCEF-1.7.10-0.6.jar)
UCHIJAAAA MoarOres{V2.1.1} [MoarOres] (MoarOres-Mod-1.7.10.jar)
UCHIJAAAA MutantCreatures{1.4.9} [Mutant Creatures] (Mutant-Creatures-Mod-1.7.10.jar)
UCHIJAAAA Oceancraft{1.4.1} [Oceancraft] (Oceancraft-1.4.1.jar)
UCHIJAAAA OreSpawn{1.7.10.20.3} [OreSpawn] (orespawn-1.7.10-20.3.zip)
UCHIJAAAA ReiMinimap{1.7.10} [Rei's Minimap] (ReiMinimap-1.7.10-3.6.jar)
UCHIJAAAA Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
UCHIJAAAA Thaumcraft{4.2.3.5} [Thaumcraft] (Thaumcraft-Mod-1.7.10.jar)
UCHIJAAAA TwilightForest{2.3.2} [The Twilight Forest] (twilightforest-1.7.10-2.3.2.jar)
UCHIJAAAA WebDisplay{0.11} [Web Displays] (Web-Displays-Mod-1.7.10.jar)
GL info: ERROR RuntimeException: No OpenGL context found in the current thread.
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['iToxicXx'/157, l='New World', x=-708,39, y=4,00, z=1034,71]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
OptiFine Version: OptiFine_1.7.10_HD_D1
Render Distance Chunks: 5
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
OpenGlVersion: 4.0.0 - Build 10.18.10.4653
OpenGlRenderer: Intel(R) HD Graphics 4000
OpenGlVendor: Intel
CpuCount: 4

Try AcademyCraft 1.0.4 or 1.0.6.