> [18:57:42 WARN]: [MMOItems] Task #206 for MMOItems v5.3.2 generated an exception
java.lang.NullPointerException: null
at net.Indyuce.mmoitems.MMOItems.lambda$3(MMOItems.java:171) ~[?:?]
at java.lang.Iterable.forEach(Iterable.java:75) ~[?:1.8.0_212]
at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) ~[?:1.8.0_212]
at net.Indyuce.mmoitems.MMOItems.lambda$2(MMOItems.java:171) ~[?:?]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]