[12:01:43] [Server thread/FATAL] [net.minecraft.server.MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_181]
        at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_181]
        at net.minecraft.util.Util.func_181617_a(SourceFile:47) [h.class:?]
        at org.spongepowered.common.SpongeImplHooks.onUtilRunTask(SpongeImplHooks.java:293) [SpongeImplHooks.class:1.12.2-2705-7.1.0-BETA-3396]
        at net.minecraft.server.MinecraftServer.redirect$onRun$zjj000(MinecraftServer.java:3972) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:723) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:396) [nz.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.lang.NullPointerException
        at micdoodle8.mods.galacticraft.core.blocks.BlockNasaWorkbench.func_180639_a(BlockNasaWorkbench.java:155) ~[BlockNasaWorkbench.class:?]
        at net.minecraft.server.management.PlayerInteractionManager.func_187251_a(PlayerInteractionManager.java:1774) ~[or.class:?]
        at net.minecraft.network.NetHandlerPlayServer.redirect$onProcessRightClickBlock$zin000(NetHandlerPlayServer.java:2411) ~[pa.class:?]
        at net.minecraft.network.NetHandlerPlayServer.func_184337_a(NetHandlerPlayServer.java:739) ~[pa.class:?]
        at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.func_148833_a(SourceFile:55) ~[ma.class:?]
        at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.func_148833_a(SourceFile:11) ~[ma.class:?]
        at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:92) ~[PacketUtil.class:1.12.2-2705-7.1.0-BETA-3396]
        at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$zle000(SourceFile:539) ~[hv$1.class:?]
        at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) ~[hv$1.class:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_181]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_181]
        at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?]
        ... 7 more