[22:51:21 INFO]: [WorldSchematics2] Schematic passed all checks. Spawned schematic at: -1662 -1 6880
[22:51:22 ERROR]: Could not pass event ChunkPopulateEvent to WorldSchematics2 v2.5.1
org.bukkit.event.EventException: null
        at org.bukkit.plugin.EventExecutor$1.execute(EventExecutor.java:46) ~[paper.jar:git-Paper-1169]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[paper.jar:git-Paper-1169]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[paper.jar:git-Paper-1169]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:514) ~[paper.jar:git-Paper-1169]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:499) ~[paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.Chunk.a(Chunk.java:1071) ~[paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.Chunk.loadNearby(Chunk.java:1020) ~[paper.jar:git-Paper-1169]
        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:54) ~[paper.jar:git-Paper-1169]
        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:16) ~[paper.jar:git-Paper-1169]
        at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:337) ~[paper.jar:git-Paper-1169]
        at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295) ~[paper.jar:git-Paper-1169]
        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.lambda$syncChunkLoad$0(ChunkIOExecutor.java:18) ~[paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.MCUtil.ensureMain(MCUtil.java:66) [paper.jar:git-Paper-1169]
        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:18) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:164) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:147) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:143) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.World.getType(World.java:885) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.Chunk.n(Chunk.java:1237) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.WorldServer.j(WorldServer.java:488) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.WorldServer.doTick(WorldServer.java:320) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:894) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:766) [paper.jar:git-Paper-1169]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:664) [paper.jar:git-Paper-1169]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_12_R1.block.CraftBlockState cannot be cast to org.bukkit.block.CreatureSpawner
        at WorldSchematics.SpawnSchematic.ApplyBlockData(SpawnSchematic.java:482) ~[?:?]
        at WorldSchematics.SpawnSchematic.Spawn(SpawnSchematic.java:330) ~[?:?]
        at WorldSchematics.SpawnSchematic.Spawn(SpawnSchematic.java:152) ~[?:?]
        at WorldSchematics.ChunkListenser.onChunkPopulate(ChunkListenser.java:146) ~[?:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor71.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor$1.execute(EventExecutor.java:44) ~[paper.jar:git-Paper-1169]
        ... 25 more