21:08:30 [WARNING] [Citizens] Task #29 for Citizens v2.0.16-SNAPSHOT (build 1253) generated an exception
21:08:30 java.lang.NullPointerException: data cannot be null
21:08:30 	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:229) ~[spigot-1.8.8.jar:git-Spigot-d97e08b-880a532]
21:08:30 	at net.citizensnpcs.api.npc.SimpleMetadataStore.checkPrimitive(SimpleMetadataStore.java:15) ~[?:?]
21:08:30 	at net.citizensnpcs.api.npc.SimpleMetadataStore.setPersistent(SimpleMetadataStore.java:86) ~[?:?]
21:08:30 	at net.citizensnpcs.api.npc.AbstractNPC$1.setPersistent(AbstractNPC.java:64) ~[?:?]
21:08:30 	at net.citizensnpcs.npc.skin.Skin.setNPCSkinData(Skin.java:227) ~[?:?]
21:08:30 	at net.citizensnpcs.npc.skin.Skin.apply(Skin.java:154) ~[?:?]
21:08:30 	at net.citizensnpcs.npc.entity.HumanController.createEntity(HumanController.java:86) ~[?:?]
21:08:30 	at net.citizensnpcs.npc.AbstractEntityController.spawn(AbstractEntityController.java:35) ~[?:?]
21:08:30 	at net.citizensnpcs.npc.CitizensNPC.spawn(CitizensNPC.java:186) ~[?:?]
21:08:30 	at net.citizensnpcs.npc.CitizensNPC.load(CitizensNPC.java:132) ~[?:?]
21:08:30 	at net.citizensnpcs.api.npc.SimpleNPCDataStore.loadInto(SimpleNPCDataStore.java:59) ~[?:?]
21:08:30 	at net.citizensnpcs.Citizens$2.run(Citizens.java:295) ~[?:?]
21:08:30 	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.8.jar:git-Spigot-d97e08b-880a532]
21:08:30 	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.8.jar:git-Spigot-d97e08b-880a532]
21:08:30 	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:722) [spigot-1.8.8.jar:git-Spigot-d97e08b-880a532]
21:08:30 	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-d97e08b-880a532]
21:08:30 	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:653) [spigot-1.8.8.jar:git-Spigot-d97e08b-880a532]
21:08:30 	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:556) [spigot-1.8.8.jar:git-Spigot-d97e08b-880a532]
21:08:30 	at java.lang.Thread.run(Unknown Source) [?:1.7.0_80]
21:08:31 [INFO] [Vault] Checking for Updates ...