[16:49:22] [Server thread/ERROR] [FML]: Exception caught during firing event com.pixelmonmod.pixelmon.api.events.battles.BattleEndEvent@73b0e2fe:
java.lang.IllegalStateException: Cannot create an empty Cause!
        at com.google.common.base.Preconditions.checkState(Preconditions.java:444) ~[minecraft_server.1.12.2.jar:?]
        at org.spongepowered.api.event.cause.Cause$Builder.build(Cause.java:499) ~[Cause$Builder.class:1.12.2-2838-7.1.10-RC3994]
        at com.valjean42.wagerbattles.WagerBattles.onBattleEnd(WagerBattles.java:84) ~[WagerBattles.class:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_120_WagerBattles_onBattleEnd_BattleEndEvent.invoke(.dynamic) ~[?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:753) [EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:703) [EventBus.class:?]
        at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.endBattle(BattleControllerBase.java:778) [BattleControllerBase.class:?]
        at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.endBattle(BattleControllerBase.java:673) [BattleControllerBase.class:?]
        at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.endBattle(BattleControllerBase.java:801) [BattleControllerBase.class:?]
        at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.checkDefeated(BattleControllerBase.java:1126) [BattleControllerBase.class:?]
        at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.checkPokemon(BattleControllerBase.java:1069) [BattleControllerBase.class:?]
        at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.update(BattleControllerBase.java:356) [BattleControllerBase.class:?]
        at com.pixelmonmod.pixelmon.battles.BattleRegistry.updateBattles(BattleRegistry.java:181) [BattleRegistry.class:?]
        at com.pixelmonmod.pixelmon.battles.BattleTickHandler.tickStart(BattleTickHandler.java:17) [BattleTickHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_132_BattleTickHandler_tickStart_WorldTickEvent.invoke(.dynamic) [?:?]
        at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) [ASMEventHandler.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:753) [EventBus.class:?]
        at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:703) [EventBus.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:274) [FMLCommonHandler.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:776) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) [nz.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]
[16:49:22] [Server thread/ERROR] [FML]: Index: 3 Listeners:
[16:49:22] [Server thread/ERROR] [FML]: 0: NORMAL
[16:49:22] [Server thread/ERROR] [FML]: 1: ASM: com.pixelmonmod.pixelmon.PixelmonEventHandler@3889247c onBattleEnd(Lcom/pixelmonmod/pixelmon/api/events/battles/BattleEndEvent;)V
[16:49:22] [Server thread/ERROR] [FML]: 2: ASM: io.github.tsecho.pixelmonmmo.eventlisteners.pixelmon.BattleListener@1b98b2f1 onBattleEnd(Lcom/pixelmonmod/pixelmon/api/events/battles/BattleEndEvent;)V
[16:49:22] [Server thread/ERROR] [FML]: 3: ASM: com.valjean42.wagerbattles.WagerBattles@d2c01ff onBattleEnd(Lcom/pixelmonmod/pixelmon/api/events/battles/BattleEndEvent;)V
[16:49:22] [Server thread/ERROR] [FML]: 4: ASM: class com.pixelmonmod.pixelmon.listener.PokerusSpreader onBattleEnd(Lcom/pixelmonmod/pixelmon/api/events/battles/BattleEndEvent;)V
[16:49:22] [Server thread/ERROR] [FML]: 5: ASM: furgl.happyCloud.tourney.Tourney@5f7e5e96 onBattleEnd(Lcom/pixelmonmod/pixelmon/api/events/battles/BattleEndEvent;)V
[16:49:22] [Server thread/ERROR] [FML]: 6: LOWEST
[16:49:22] [Server thread/ERROR] [FML]: 7: ASM: rs.expand.pixelmonbroadcasts.listeners.BattleEndListener@7329a64a onBattleEndEvent(Lcom/pixelmonmod/pixelmon/api/events/battles/BattleEndEvent;)V
[16:49:22] [Server thread/INFO] [STDOUT]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:95]: Caught error in battle. Continuing...
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]: java.lang.IllegalStateException: Cannot create an empty Cause!
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.google.common.base.Preconditions.checkState(Preconditions.java:444)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at org.spongepowered.api.event.cause.Cause$Builder.build(Cause.java:499)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.valjean42.wagerbattles.WagerBattles.onBattleEnd(WagerBattles.java:84)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_120_WagerBattles_onBattleEnd_BattleEndEvent.invoke(.dynamic)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:753)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:703)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.endBattle(BattleControllerBase.java:778)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.endBattle(BattleControllerBase.java:673)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.endBattle(BattleControllerBase.java:801)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.checkDefeated(BattleControllerBase.java:1126)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.checkPokemon(BattleControllerBase.java:1069)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.controller.BattleControllerBase.update(BattleControllerBase.java:356)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.BattleRegistry.updateBattles(BattleRegistry.java:181)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at com.pixelmonmod.pixelmon.battles.BattleTickHandler.tickStart(BattleTickHandler.java:17)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_132_BattleTickHandler_tickStart_WorldTickEvent.invoke(.dynamic)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.EventBus.forgeBridge$post(EventBus.java:753)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:703)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraftforge.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:274)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:776)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
[16:49:22] [Server thread/INFO] [STDERR]: [com.pixelmonmod.pixelmon.battles.controller.log.BattleLog:onCrash:96]:       at java.lang.Thread.run(Thread.java:748)