zombieawareness-1.10.2-1.11.8
forge:forge-1.10.2-12.18.3.2477-universal
spongeforge-1.10.2-2477-5.2.0-BETA-2793

ERROR.txt

[12:11:13] [Server thread/ERROR] [Sponge]: //
[12:11:13] [Server thread/ERROR] [Sponge]: / Exception trying to process over a phase! /
[12:11:13] [Server thread/ERROR] [Sponge]: //
[12:11:13] [Server thread/ERROR] [Sponge]: /* PhaseContext : /
[12:11:13] [Server thread/ERROR] [Sponge]: / - Name: CapturedExplosion /
[12:11:13] [Server thread/ERROR] [Sponge]: / Object: CaptureExplosion{explosion=net.minecraft.world.Explosion@2034606f} /
[12:11:13] [Server thread/ERROR] [Sponge]: / - Name: CapturedEntities /
[12:11:13] [Server thread/ERROR] [Sponge]: / Object: CapturedEntitiesSupplier{Captured=0} /
[12:11:13] [Server thread/ERROR] [Sponge]: / - Name: CapturedBlocks /
[12:11:13] [Server thread/ERROR] [Sponge]: / Object: CapturedBlocksSupplier{Captured=0} /
[12:11:13] [Server thread/ERROR] [Sponge]: / - Name: Source /
[12:11:13] [Server thread/ERROR] [Sponge]: / Object: EntityCreeper['Creeper'/48359, l='world', x=109.43, y=68.00, z=269.88] /
[12:11:13] [Server thread/ERROR] [Sponge]: / - Name: Owner /
[12:11:13] [Server thread/ERROR] [Sponge]: / Object: EntityPlayerMP['Mr__Seven'/47578, l='world', x=111.05, y=68.00, z=270.34] /
[12:11:13] [Server thread/ERROR] [Sponge]: / - Name: Notifier /
[12:11:13] [Server thread/ERROR] [Sponge]: / Object: EntityPlayerMP['Mr__Seven'/47578, l='world', x=111.05, y=68.00, z=270.34] /
[12:11:13] [Server thread/ERROR] [Sponge]: / - Name: Source /
[12:11:13] [Server thread/ERROR] [Sponge]: / Object: EntityCreeper['Creeper'/48359, l='world', x=109.43, y=68.00, z=269.88] /
[12:11:13] [Server thread/ERROR] [Sponge]: / Stacktrace: /
[12:11:13] [Server thread/ERROR] [Sponge]: / java.lang.IllegalStateException: Expected to be capturing a block position during an explosion! Please analyze the current phase context. /
[12:11:13] [Server thread/ERROR] [Sponge]: / org.spongepowered.common.event.tracking.TrackingUtil.lambda$throwWithContext$3(TrackingUtil.java:479) /
[12:11:13] [Server thread/ERROR] [Sponge]: / java.util.Optional.orElseThrow(Optional.java:290) /
[12:11:13] [Server thread/ERROR] [Sponge]: / org.spongepowered.common.event.tracking.phase.general.ExplosionState.spawnEntityOrCapture(ExplosionState.java:296) /
[12:11:13] [Server thread/ERROR] [Sponge]: / org.spongepowered.common.event.tracking.phase.general.GeneralPhase.spawnEntityOrCapture(GeneralPhase.java:357) /
[12:11:13] [Server thread/ERROR] [Sponge]: / org.spongepowered.common.event.tracking.CauseTracker.spawnEntity(CauseTracker.java:633) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.WorldServer.func_72838_d(WorldServer.java:2686) /
[12:11:13] [Server thread/ERROR] [Sponge]: / ZombieAwareness.ZAUtil.spawnOrBuffSenseAtPos(ZAUtil.java:1013) /
[12:11:13] [Server thread/ERROR] [Sponge]: / ZombieAwareness.ZAUtil.spawnOrBuffSenseAtPos(ZAUtil.java:992) /
[12:11:13] [Server thread/ERROR] [Sponge]: / ZombieAwareness.ZAUtil.hookSoundEvent(ZAUtil.java:610) /
[12:11:13] [Server thread/ERROR] [Sponge]: / ZombieAwareness.WorldEventListener.func_184375_a(WorldEventListener.java:56) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.World.func_184148_a(World.java:1061) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.Explosion.func_77279_a(Explosion.java:821) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.WorldServer.func_72885_a(WorldServer.java:3064) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.WorldServer.triggerInternalExplosion(WorldServer.java:2665) /
[12:11:13] [Server thread/ERROR] [Sponge]: / org.spongepowered.common.interfaces.entity.explosive.IMixinExplosive.detonate(IMixinExplosive.java:53) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.entity.monster.EntityCreeper.redirect$onExplode$zfb003(SourceFile:707) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.entity.monster.EntityCreeper.func_146077_cc(SourceFile:243) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.entity.monster.EntityCreeper.func_70071_h_(SourceFile:154) /
[12:11:13] [Server thread/ERROR] [Sponge]: / org.spongepowered.common.event.tracking.TrackingUtil.tickEntity(TrackingUtil.java:158) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.WorldServer.redirect$onCallEntityUpdate$zkc000(WorldServer.java:2850) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.World.func_72866_a(World.java:4075) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:839) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.World.func_72870_g(World.java:1937) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.World.func_72939_s(World.java:6016) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:2197) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:709) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) /
[12:11:13] [Server thread/ERROR] [Sponge]: / net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) /
[12:11:13] [Server thread/ERROR] [Sponge]: / java.lang.Thread.run(Thread.java:748) /
[12:11:13] [Server thread/ERROR] [Sponge]: /*********************************************************************************************************************************************/

Looks like a bug in sponge, Id recommend passing it along to them with a message along these lines: "Sponge issues when a mod spawns an entity from a sound playing event triggered by an explosion"