HELP!

[21:05:23] [Server thread/INFO]: Starting minecraft server version 1.10.2[21:05:40] [Server thread/INFO]: Loading properties[21:05:40] [Server thread/WARN]: resource-pack-hash is deprecated and found along side resource-pack-sha1. resource-pack-hash will be ignored.[21:05:40] [Server thread/WARN]: You specified a resource pack without providing a sha1 hash. Pack will be updated on the client only if you change the name of the pack.[21:05:40] [Server thread/INFO]: Default game type: SURVIVAL[21:05:40] [Server thread/INFO]: Generating keypair[21:05:40] [Server thread/INFO]: Starting Minecraft server on 158.69.23.139:25625[21:05:40] [Server thread/INFO]: Using epoll channel type[21:05:47] [Server thread/INFO]: Preparing level "CuboneCraft"[21:05:49] [Server thread/INFO]: Preparing start region for level 0 (CuboneCraft)[21:05:50] [Server thread/INFO]: Preparing spawn area: 43%[21:05:51] [Server thread/INFO]: Preparing spawn area: 58%[21:05:52] [Server thread/INFO]: Preparing start region for level 0 (CuboneCraft)[21:05:52] [Server thread/INFO]: Done (4.998s)! For help, type "help" or "?"[21:05:52] [Server thread/INFO]: Starting GS4 status listener[21:05:52] [Query Listener #1/INFO]: Query running on 158.69.23.139:25625[21:06:11] [User Authenticator #1/INFO]: UUID of player Micro_Cat is 217763e3-cb08-474c-bcf1-53b027d68bd3[21:06:12] [Server thread/INFO]: Micro_Cat[/73.86.140.168:54009] logged in with entity id 16 in CuboneCraft(0) at (-51.28932617454034, 82.0, 391.1784436443329)[21:06:12] [Server thread/INFO]: Micro_Cat joined the game[21:07:17] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2761ms behind, skipping 55 tick(s)[21:08:15] [User Authenticator #2/INFO]: UUID of player LukeZurg22 is 049b07d3-c2b9-44ab-b20e-9b59fa4f6fc1[21:08:16] [Server thread/INFO]: LukeZurg22[/68.11.186.187:60223] logged in with entity id 36 in CuboneCraft(0) at (-73.14174940900679, 83.82252696608589, 378.88021922320706)[21:08:16] [Server thread/INFO]: LukeZurg22 joined the game[21:08:38] [Server thread/INFO]: ~LukeZurg22: throw your pokemon out[21:08:40] [Server thread/ERROR]: "Silently" catching entity tracking error.net.minecraft.util.ReportedException: Adding entity to trackat net.minecraft.entity.EntityTracker.func_72785_a(EntityTracker.java:246) ~[lp.class:?]at net.minecraftforge.fml.common.registry.EntityRegistry.tryTrackingEntity(EntityRegistry.java:360) ~[EntityRegistry.class:?]at net.minecraft.entity.EntityTracker.func_72786_a(EntityTracker.java:78) ~[lp.class:?]at net.minecraft.world.ServerWorldEventHandler.func_72703_a(ServerWorldEventHandler.java:33) ~[lt.class:?]at net.minecraft.world.World.func_72923_a(World.java:1142) ~[aid.class:?]at net.minecraft.world.WorldServer.func_72923_a(WorldServer.java:1117) ~[ls.class:?]at net.minecraft.world.WorldServer.onSpongeEntityAdded(WorldServer.java:1375) ~[ls.class:?]at net.minecraft.world.WorldServer.forceSpawnEntity(WorldServer.java:1421) ~[ls.class:?]at net.minecraft.world.WorldServer.forceSpawnEntity(WorldServer.java:1404) ~[ls.class:?]at org.spongepowered.common.event.tracking.phase.TrackingPhase.spawnEntityOrCapture(TrackingPhase.java:283) ~[TrackingPhase.class:1.10.2-2123-6.0.0-BETA-1902]at org.spongepowered.common.event.tracking.phase.general.GeneralPhase.spawnEntityOrCapture(GeneralPhase.java:356) ~[GeneralPhase.class:1.10.2-2123-6.0.0-BETA-1902]at org.spongepowered.common.event.tracking.CauseTracker.spawnEntity(CauseTracker.java:558) ~[CauseTracker.class:1.10.2-2123-6.0.0-BETA-1902]at net.minecraft.world.WorldServer.func_72838_d(WorldServer.java:1152) ~[ls.class:?]at com.pixelmonmod.pixelmon.CommonProxy.lambda$sendPokeball$108(CommonProxy.java:304) ~[CommonProxy.class:?]at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_112]at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_112]at net.minecraft.util.Util.func_181617_a(SourceFile:45) [h.class:?]at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:668) [MinecraftServer.class:?]at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) [ld.class:?]at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) [MinecraftServer.class:?]at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]Caused by: java.lang.IllegalArgumentException: Don't know how to add class com.pixelmonmod.pixelmon.entities.pokeballs.EntityOccupiedPokeball!at net.minecraft.entity.EntityTrackerEntry.func_151260_c(EntityTrackerEntry.java:632) ~[lw.class:?]at net.minecraft.entity.EntityTrackerEntry.func_73117_b(EntityTrackerEntry.java:371) ~[lw.class:?]at net.minecraft.entity.EntityTrackerEntry.func_73125_b(EntityTrackerEntry.java:471) ~[lw.class:?]at net.minecraft.entity.EntityTracker.func_72785_a(EntityTracker.java:220) ~[lp.class:?]... 21 more[21:08:40] [Server thread/ERROR]: Encountered an unexpected exceptionjava.lang.IllegalArgumentException: Don't know how to add class com.pixelmonmod.pixelmon.entities.pokeballs.EntityOccupiedPokeball!at net.minecraft.entity.EntityTrackerEntry.func_151260_c(EntityTrackerEntry.java:632) ~[lw.class:?]at net.minecraft.entity.EntityTrackerEntry.func_73117_b(EntityTrackerEntry.java:371) ~[lw.class:?]at net.minecraft.entity.EntityTrackerEntry.func_73125_b(EntityTrackerEntry.java:471) ~[lw.class:?]at net.minecraft.entity.EntityTrackerEntry.func_73122_a(EntityTrackerEntry.java:134) ~[lw.class:?]at net.minecraft.entity.EntityTracker.func_72788_a(EntityTracker.java:282) ~[lp.class:?]at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:721) ~[MinecraftServer.class:?]at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) ~[ld.class:?]at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) ~[MinecraftServer.class:?]at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112][21:08:40] [Server thread/ERROR]: This crash report has been saved to: /home/minecraft/servers/mine90971/./crash-reports/crash-2016-11-29_21.08.40-server.txt[21:08:40] [Server thread/INFO]: Stopping server[21:08:40] [Server thread/INFO]: Saving players[21:08:40] [Server thread/INFO]: Saving worlds[21:08:40] [Server Shutdown Thread/INFO]: Stopping server[21:08:40] [Server Shutdown Thread/INFO]: Saving players