[17:21:58] [Server thread/ERROR] [Sponge]: Could not pass InteractBlockEvent$Secondary$Impl to org.spongepowered.mod.plugin.SpongeModPluginContai
ner@59298849
java.util.NoSuchElementException: No value present
        at java.util.Optional.get(Unknown Source) ~[?:1.8.0_77]
        at com.sk89q.craftbook.sponge.mechanics.Elevator.onPlayerInteract(Elevator.java:87) ~[Elevator.class:?]
        at org.spongepowered.common.event.listener.SecondaryListener_Elevator_onPlayerInteract83.handle(Unknown Source) ~[?:?]
        at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:86) ~[RegisteredListener.class:1.8.9-1890-4.1.0-BETA-
1346]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:191) [SpongeModEventManager.class:1.8.9-1890-4.1.0-B
ETA-1346]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:176) [SpongeModEventManager.class:1.8.9-1890-4.1.0-B
ETA-1346]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:218) [SpongeModEventManager.class:1.8.9-1890-4.1.0-B
ETA-1346]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:203) [SpongeModEventManager.class:1.8.9-1890-4.1.0-B
ETA-1346]
        at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:131) [SpongeImpl.class:1.8.9-1890-4.1.0-BETA-1346]
        at org.spongepowered.common.event.SpongeCommonEventFactory.callInteractBlockEventSecondary(SpongeCommonEventFactory.java:588) [SpongeComm
onEventFactory.class:1.8.9-1890-4.1.0-BETA-1346]
        at org.spongepowered.common.event.SpongeCommonEventFactory.callInteractBlockEventSecondary(SpongeCommonEventFactory.java:583) [SpongeComm
onEventFactory.class:1.8.9-1890-4.1.0-BETA-1346]
        at net.minecraft.network.NetHandlerPlayServer.func_147346_a(NetHandlerPlayServer.java:539) [lm.class:?]
        at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:59) [ja.class:?]
        at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.func_148833_a(SourceFile:10) [ja.class:?]
        at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:115) [PacketUtil.class:1.8.9-1890-4.1.0-BETA-1346]
        at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$0(SourceFile:39) [fh$1.class:?]
        at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [fh$1.class:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_77]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_77]
        at net.minecraft.util.Util.func_181617_a(SourceFile:44) [g.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:660) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344) [ko.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_77]
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