[Server thread/ERROR] [net.minecraft.server.network.ServerLoginPacketListenerImpl/]: Couldn't place player in world
com.google.gson.JsonSyntaxException: Unknown type: umpaz.farmersrespite.common.loot.function.FRCopyMealFunction@413526c3
	at net.minecraft.world.level.storage.loot.GsonAdapterFactory$JsonAdapter.serialize(GsonAdapterFactory.java:120) ~[client-1.20.1-20230612.114412-srg.jar%23704!/:?]
	at com.google.gson.internal.bind.TreeTypeAdapter.write(TreeTypeAdapter.java:88) ~[gson-2.10.jar%23107!/:?]
	at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:70) ~[gson-2.10.jar%23107!/:?]
	at com.google.gson.internal.bind.ArrayTypeAdapter.write(ArrayTypeAdapter.java:104) ~[gson-2.10.jar%23107!/:?]
...