Could not pass event WorldInitEvent

Versions worldedit-bukkit-7.0.0-SNAPSHOT-dist.jar worldguard-legacy-7.0.0-SNAPSHOT-dist.jar EpicWorldGenerator v8.jar paperclip-169.jar
[09:22:24 INFO]: Custom Map Seeds:  Village: 10387312 Desert: 14357617 Igloo: 14357618 Jungle: 14357619 Swamp: 14357620 Monument: 10387313Ocean: 14357621 Shipwreck: 165745295 Slime: 987234911
[09:22:24 INFO]: Zombie Aggressive Towards Villager: true
[09:22:25 INFO]: ~~~~~~~~~~~~[ EWG Settings for world ]~~~~~~~~~~~~
[09:22:25 INFO]:
[09:22:25 INFO]: Biomes that will generated;
[09:22:25 INFO]:  * Birch Forest
[09:22:25 INFO]:  * Bonsai Forest
[09:22:25 INFO]:  * Volcano
[09:22:25 INFO]:  * Dark forest
[09:22:25 INFO]:  * Desert
[09:22:25 INFO]:  * Deep Ocean
[09:22:25 INFO]:  * Deciduous Forest
[09:22:25 INFO]:  * Fantasy Forest
[09:22:25 INFO]:  * Farmland
[09:22:25 INFO]:  * Forgotten Forest
[09:22:25 INFO]:  * Frozen Ocean
[09:22:25 INFO]:  * Scots pine forest
[09:22:25 INFO]:  * Jungle
[09:22:25 INFO]:  * Jungle Edge
[09:22:25 INFO]:  * Lukewarm Ocean
[09:22:25 INFO]:  * Mesa
[09:22:25 INFO]:  * Mega Spruce Taiga
[09:22:25 INFO]:  * Mega Taiga
[09:22:25 INFO]:  * Ocean
[09:22:25 INFO]:  * Pine Forest
[09:22:25 INFO]:  * Plains
[09:22:25 INFO]:  * River
[09:22:25 INFO]:  * Stone Forest
[09:22:25 INFO]:  * Swamp
[09:22:25 INFO]:  * Snowy Pine
[09:22:25 INFO]:  * Savanna
[09:22:25 INFO]:  * Swamp Edge
[09:22:25 INFO]:  * Swampland
[09:22:25 INFO]:  * Tropical Forest
[09:22:25 INFO]:  * Warm Ocean
[09:22:25 INFO]:
[09:22:25 INFO]: Generator version: 8.0.0-PRE-RELASE-5
[09:22:25 INFO]:
[09:22:25 INFO]: Biomes in total: 30
[09:22:25 INFO]: Preparing world injection
[09:22:25 ERROR]: Could not pass event WorldInitEvent to EpicWorldGenerator v8.0.0-PRE-RELASE-5
org.bukkit.event.EventException: null
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:37) ~[patched_1.13.jar:git-Paper-163]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.13.jar:git-Paper-163]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.13.jar:git-Paper-163]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:527) ~[patched_1.13.jar:git-Paper-163]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:512) ~[patched_1.13.jar:git-Paper-163]
        at net.minecraft.server.v1_13_R1.MinecraftServer.a(MinecraftServer.java:410) ~[patched_1.13.jar:git-Paper-163]
        at net.minecraft.server.v1_13_R1.DedicatedServer.init(DedicatedServer.java:305) ~[patched_1.13.jar:git-Paper-163]
        at net.minecraft.server.v1_13_R1.MinecraftServer.run(MinecraftServer.java:764) ~[patched_1.13.jar:git-Paper-163]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/libs/it/unimi/dsi/fastutil/longs/Long2ObjectMap
        at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_13_R1.NMSImplementation.B(sc:305) ~[?:?]
        at com.minelazz.epicworldgenerator.EpicWorldGenerator.B(io:482) ~[?:?]
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:35) ~[patched_1.13.jar:git-Paper-163]
        ... 8 more
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.longs.Long2ObjectMap
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:109) ~[patched_1.13.jar:git-Paper-163]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:104) ~[patched_1.13.jar:git-Paper-163]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_181]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_181]
        at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_13_R1.NMSImplementation.B(sc:305) ~[?:?]
        at com.minelazz.epicworldgenerator.EpicWorldGenerator.B(io:482) ~[?:?]
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:35) ~[patched_1.13.jar:git-Paper-163]
        ... 8 more
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