Wither created in survival mode (BlockPlaceEvent error)

[Former user]

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[19:35:18 ERROR]: Could not pass event BlockPlaceEvent to RestrictedCreative v2.4.3
java.lang.NullPointerException: null
at org.bukkit.craftbukkit.v1_16_R2.block.CraftBlock.getRelative(CraftBlock.java:255) ~[patched_1.16.2.jar:git-Paper-186]
at org.bukkit.craftbukkit.v1_16_R2.block.CraftBlock.getRelative(CraftBlock.java:250) ~[patched_1.16.2.jar:git-Paper-186]
at me.prunt.restrictedcreative.listeners.BlockPlaceListener.canSurvivalBuildWither(BlockPlaceListener.java:423) ~[?:?]
at me.prunt.restrictedcreative.listeners.BlockPlaceListener.onCreatureCreate(BlockPlaceListener.java:160) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor1083.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.16.2.jar:git-Paper-186]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.16.2.jar:git-Paper-186]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.16.2.jar:git-Paper-186]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:607) ~[patched_1.16.2.jar:git-Paper-186]
at org.bukkit.craftbukkit.v1_16_R2.event.CraftEventFactory.callBlockPlaceEvent(CraftEventFactory.java:378) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.ItemStack.placeItem(ItemStack.java:280) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.PlayerInteractManager.a(PlayerInteractManager.java:525) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.PlayerConnection.a(PlayerConnection.java:1449) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.PacketPlayInUseItem.a(PacketPlayInUseItem.java:27) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.PacketPlayInUseItem.a(PacketPlayInUseItem.java:5) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:23) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.TickTask.run(SourceFile:18) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.MinecraftServer.ba(MinecraftServer.java:1135) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.MinecraftServer.executeNext(MinecraftServer.java:1128) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.MinecraftServer.sleepForTick(MinecraftServer.java:1089) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.MinecraftServer.w(MinecraftServer.java:1003) ~[patched_1.16.2.jar:git-Paper-186]
at net.minecraft.server.v1_16_R2.MinecraftServer.lambda$a$0(MinecraftServer.java:177) ~[patched_1.16.2.jar:git-Paper-186]
at java.lang.Thread.run(Unknown Source) [?:?]

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[Hans Kurel]

When does this occur specifically? Every time any block is placed on only when certain blocks are placed?

[Former user]

The plugin writes this error when build wither from soul soil in creative mode and don’t placed final wither skull. The final wither skull place in survival mode.

[Former user]

https://www.youtube.com/watch?v=ucfQy9oAt-Y