Stacktrace:
	at it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap$MapIterator.nextEntry(Int2ObjectOpenHashMap.java:663) ~[fastutil-8.5.12.jar%23161!/:?] {}
	at it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap$ValueIterator.next(Int2ObjectOpenHashMap.java:1168) ~[fastutil-8.5.12.jar%23161!/:?] {}
	at net.minecraft.server.level.ChunkMap.m_140421_(ChunkMap.java:1267) ~[server-1.20.1-20230612.114412-srg.jar%23218!/:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.level.ServerChunkCache.m_8490_(ServerChunkCache.java:410) ~[server-1.20.1-20230612.114412-srg.jar%23218!/:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B}
	at net.minecraft.server.level.ServerChunkCache.m_201698_(ServerChunkCache.java:344) ~[server-1.20.1-20230612.114412-srg.jar%23218!/:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B}
	at net.minecraft.server.level.ServerLevel.m_8793_(ServerLevel.java:387) ~[server-1.20.1-20230612.114412-srg.jar%23218!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:mixins.cobblemon-common.json:MinecraftDedicatedServerMixin,pl:mixin:A,re:mixin,pl:accesstransformer:B}