Here is the error that is spammed over and over when trying to break any block. This eventually leads to the server’s crash after a few hits on a block.
I am running Pixemon 4.2.7, Sponge 1567, and forge 11.15.1.1902
[15:39:43] [Server thread/ERROR] [Sponge]: Could not pass InteractBlockEvent$Primary$Impl to org.spongepowered.mod.plugin.SpongeModPluginContainer@1ac7d5e7
java.util.NoSuchElementException: No value present
at java.util.Optional.get(Unknown Source) ~[?:1.8.0_60]
at io.github.hsyyid.essentialcmds.listeners.PlayerInteractListener.onPlayerInteractBlock(PlayerInteractListener.java:64) ~[PlayerInteractListener.class:7.9]
at org.spongepowered.common.event.listener.InteractBlockEventListener_PlayerInteractListener_onPlayerInteractBlock22.handle(Unknown Source) ~[?:?]
at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.8.9-1890-4.2.0-BETA-1563]
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:203) [SpongeModEventManager.class:1.8.9-1890-4.2.0-BETA-1563]
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:186) [SpongeModEventManager.class:1.8.9-1890-4.2.0-BETA-1563]
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:231) [SpongeModEventManager.class:1.8.9-1890-4.2.0-BETA-1563]
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:216) [SpongeModEventManager.class:1.8.9-1890-4.2.0-BETA-1563]
at net.minecraft.server.MinecraftServer.handler$onServerTickEnd$0(MinecraftServer.java:1100) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:650) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) [MinecraftServer.class:?]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_60]