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Whenever i try and use galacticraft extra planets it says i need mjrlegendslib 1.8.9to run it but then if i use mjrlegendslib the game crashes upon opening and says

It looks like you are using an unsupported modified version of the game.

The game crashed whilst there was a severe problem during mod loading that has caused the game to fail
Error: net.minecraftforge.fml.common.LoaderException: java.lang.AbstractMethodError

Alright, here is the FULL report.

---- Minecraft Crash Report -------- Minecraft Crash Report ----
WARNING: coremods are present: MicdoodlePlugin (MicdoodleCore-1.8.9-4.0.1.181.jar)Contact their authors BEFORE contacting forge
// Everything's going to plan. No, really, that was supposed to happen.
Time: 12/2/18 7:31 PMDescription: There was a severe problem during mod loading that has caused the game to fail
net.minecraftforge.fml.common.LoaderException: java.lang.AbstractMethodError at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:162) at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:744) at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:310) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:495) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329) at net.minecraft.client.main.Main.main(SourceFile:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)Caused by: java.lang.AbstractMethodError at micdoodle8.mods.galacticraft.api.galaxies.CelestialBody.getSurfaceBlocks(CelestialBody.java:356) at micdoodle8.mods.galacticraft.core.GalacticraftCore.postInit(GalacticraftCore.java:369) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:560) at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) at com.google.common.eventbus.EventBus.post(EventBus.java:275) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:211) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:189) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) at com.google.common.eventbus.EventBus.post(EventBus.java:275) at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:118) at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:742) ... 10 more

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
-- System Details --Details: Minecraft Version: 1.8.9 Operating System: Windows 10 (amd64) version 10.0 CPU: 4x Intel(R) Core(TM) i3-7100U CPU @ 2.40GHz Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 656176720 bytes (625 MB) / 1476395008 bytes (1408 MB) up to 2147483648 bytes (2048 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP 9.19 Powered by Forge 11.15.1.1764 Optifine OptiFine_1.8.9_HD_U_I7 9 mods loaded, 9 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored UCHIJ mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) UCHIJ FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.1764.jar) UCHIJ Forge{11.15.1.1764} [Minecraft Forge] (forge-1.8.9-11.15.1.1764.jar) UCHIJ Micdoodlecore{} [Micdoodle8 Core] (minecraft.jar) UCHIE GalacticraftCore{4.0.1.181} [Galacticraft Core] (GalacticraftCore-1.8.9-4.0.1.181.jar) UCHIE GalacticraftPlanets{4.0.1.181} [Galacticraft Planets] (Galacticraft-Planets-1.8.9-4.0.1.181.jar) UCHIJ mjrlegendslib{1.8.9-1.0.3} [MJRLegendsLib] (MJRLegendsLib-1.8.9-1.0.3.jar) UCHIE extraplanets{1.8.9-1.2.3} [Extra Planets] (Extra-Planets-Mod-1.8.9.jar) UCHIJ JEI{2.28.4.170} [Just Enough Items] (jei_1.8.9-2.28.4.170.jar) Loaded coremods (and transformers): MicdoodlePlugin (MicdoodleCore-1.8.9-4.0.1.181.jar) micdoodle8.mods.miccore.MicdoodleTransformer GL info: ' Vendor: 'Intel' Version: '4.4.0 - Build 21.20.16.4627' Renderer: 'Intel(R) HD Graphics 620' OptiFine Version: OptiFine_1.8.9_HD_U_I7 Render Distance Chunks: 15 Mipmaps: 4 Anisotropic Filtering: 1 Antialiasing: 0 Multitexture: false Shaders: null OpenGlVersion: 4.4.0 - Build 21.20.16.4627 OpenGlRenderer: Intel(R) HD Graphics 620 OpenGlVendor: Intel CpuCount: 4