Once I installed morphotool, my minecraft standard doors stop working / opening and cannot be opened in any fashion. Removing morphotool resolves the issue.

The error thrown when trying to open a door is:
[25Apr2020 13:48:19.781] [Server thread/ERROR] [net.minecraftforge.eventbus.EventBus/EVENTBUS]: Exception caught during firing event: null
Index: 1
Listeners:
0: NORMAL
1: ASM: vazkii.morphtool.MorphingHandler@6356e04d onItemBroken(Lnet/minecraftforge/event/entity/player/PlayerDestroyItemEvent;)V
java.lang.NullPointerException
at vazkii.morphtool.MorphingHandler.removeItemFromTool(MorphingHandler.java:53)
at vazkii.morphtool.MorphingHandler.onItemBroken(MorphingHandler.java:49)
at net.minecraftforge.eventbus.ASMEventHandler_142_MorphingHandler_onItemBroken_PlayerDestroyItemEvent.invoke(.dynamic)
at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80)
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
at net.minecraftforge.event.ForgeEventFactory.onPlayerDestroyItem(ForgeEventFactory.java:176)
at net.minecraftforge.common.ForgeHooks.onPlaceItemIntoWorld(ForgeHooks.java:612)
at net.minecraft.item.ItemStack.func_196084_a(ItemStack.java:167)
at net.minecraft.server.management.PlayerInteractionManager.func_219441_a(PlayerInteractionManager.java:348)
at net.minecraft.network.play.ServerPlayNetHandler.func_184337_a(ServerPlayNetHandler.java:853)
at net.minecraft.network.play.client.CPlayerTryUseItemOnBlockPacket.func_148833_a(SourceFile:36)
at net.minecraft.network.play.client.CPlayerTryUseItemOnBlockPacket.func_148833_a(SourceFile:10)
at net.minecraft.network.PacketThreadUtil.func_225383_a(SourceFile:21)
at net.minecraft.util.concurrent.TickDelayedTask.run(SourceFile:18)
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213166_h(SourceFile:144)
at net.minecraft.util.concurrent.RecursiveEventLoop.func_213166_h(SourceFile:23)
at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:731)
at net.minecraft.server.MinecraftServer.func_213166_h(MinecraftServer.java:141)
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213168_p(SourceFile:118)
at net.minecraft.server.MinecraftServer.func_213205_aW(MinecraftServer.java:714)
at net.minecraft.server.MinecraftServer.func_213168_p(MinecraftServer.java:708)
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213160_bf(SourceFile:103)
at net.minecraft.server.MinecraftServer.func_213202_o(MinecraftServer.java:693)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:641)
at java.lang.Thread.run(Unknown Source)