CrashLog

java.lang.NullPointerException
	at com.haito.opbmaddon.tileEntity.TEPotionStation.writeSyncableDataToNBT(TEPotionStation.java:29) ~[TEPotionStation.class:?]
	at com.haito.opbmaddon.tileEntity.TEPotionStation.writeToNBT(TEPotionStation.java:48) ~[TEPotionStation.class:?]
	at net.minecraft.world.chunk.storage.AnvilChunkLoader.writeChunkToNBT(AnvilChunkLoader.java:395) [AnvilChunkLoader.class:?]
	at net.minecraft.world.chunk.storage.AnvilChunkLoader.saveChunk(AnvilChunkLoader.java:204) [AnvilChunkLoader.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.safeSaveChunk(ChunkProviderServer.java:287) [ChunkProviderServer.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.saveChunks(ChunkProviderServer.java:340) [ChunkProviderServer.class:?]
	at net.minecraft.world.WorldServer.saveAllChunks(WorldServer.java:862) [WorldServer.class:?]
	at net.minecraft.server.MinecraftServer.saveAllWorlds(MinecraftServer.java:370) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.stopServer(MinecraftServer.java:405) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.stopServer(IntegratedServer.java:266) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:538) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:752) [MinecraftServer$2.class:?]
[13:12:33] [Server thread/INFO] [Totally Over Powered Blood Magic Addon]: Data writen begin owner Debug owner end
[13:12:33] [Server thread/INFO]: Saving chunks for level 'New World'/Nether
[13:12:33] [Server thread/INFO]: Saving chunks for level 'New World'/The End
[13:12:33] [Server thread/INFO] [FML]: Unloading dimension 0
[13:12:33] [Server thread/INFO] [FML]: Unloading dimension -1
[13:12:33] [Server thread/INFO] [FML]: Unloading dimension 1
[13:12:33] [Server thread/INFO] [FML]: Applying holder lookups
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:POTION_STATION for public static com.haito.opbmaddon.block.model.OPBMBlockContainer com.haito.opbmaddon.init.ModBlocks.POTION_STATION. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:debug for public static net.minecraft.block.Block com.haito.opbmaddon.init.ModBlocks.debug. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:BLOOD_DRINKER for public static com.haito.opbmaddon.items.model.OPBMWeapon com.haito.opbmaddon.init.ModItems.BLOOD_DRINKER. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:SIGIL_INVISIBILITY for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.SIGIL_INVISIBILITY. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:SIGIL_HOMESOIL for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.SIGIL_HOMESOIL. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:SIGIL_SILKEN_HAND for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.SIGIL_SILKEN_HAND. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:SIGIL_Weather for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.SIGIL_Weather. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:SIGIL_TREACHERY for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.SIGIL_TREACHERY. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:debugTool for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.debugTool. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:RING_AWESOMNESS for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.RING_AWESOMNESS. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:NECK_FORTITUDE for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.NECK_FORTITUDE. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:NECK_BLOOD_LETTER for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.NECK_BLOOD_LETTER. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:BLOOD_INGOT for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.BLOOD_INGOT. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:BLOOD_GEM for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.BLOOD_GEM. Is there something wrong with the registry?
[13:12:33] [Server thread/WARN] [FML]: Unable to lookup OPBMAddon:BLOOD_PEARL for public static com.haito.opbmaddon.items.model.OPBMItem com.haito.opbmaddon.init.ModItems.BLOOD_PEARL. Is there something wrong with the registry?
[13:12:33] [Server thread/INFO] [FML]: Holder lookups applied
[13:12:33] [Server thread/INFO] [FML]: The state engine was in incorrect state SERVER_STOPPING and forced into state SERVER_STOPPED. Errors may have been discarded.
[13:12:33] [Client thread/INFO] [FML]: Server terminated.
AL lib: (EE) alc_cleanup: 1 device not closed
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

Process finished with exit code -1