java.lang.NullPointerException: Exception in server tick loop
at mcjty.rftoolsdim.modules.dimlets.data.DimletTools.isValidDimlet(DimletTools.java:363) ~[rftoolsdim:1.16-7.0.20-beta] {re:classloading}
at mcjty.rftoolsdim.modules.dimlets.data.DimletDictionary.register(DimletDictionary.java:32) ~[rftoolsdim:1.16-7.0.20-beta] {re:classloading}
at mcjty.rftoolsdim.modules.dimlets.data.DimletPackages.readPackage(DimletPackages.java:135) ~[rftoolsdim:1.16-7.0.20-beta] {re:classloading}
at mcjty.rftoolsdim.modules.dimlets.data.DimletDictionary.readPackage(DimletDictionary.java:178) ~[rftoolsdim:1.16-7.0.20-beta] {re:classloading}
at mcjty.rftoolsdim.setup.ForgeEventHandlers.onWorldLoad(ForgeEventHandlers.java:81) ~[rftoolsdim:1.16-7.0.20-beta] {re:classloading}
at net.minecraftforge.eventbus.ASMEventHandler_1437_ForgeEventHandlers_onWorldLoad_FMLServerStartedEvent.invoke(.dynamic) ~[?:?] {}
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.fml.server.ServerLifecycleHooks.handleServerStarted(ServerLifecycleHooks.java:106) ~[forge:?] {re:mixin,re:classloading}
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:622) ~[?:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232) ~[?:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:structure_gel.mixins.json:MinecraftServerMixin,pl:mixin:A}
at java.lang.Thread.run(Unknown Source) [?:1.8.0_381] {}