[03:50:18] [Thread-15/WARN]: java.lang.NullPointerException: null key in entry: null=1
[03:50:18] [Thread-15/WARN]: 	at com.google.common.collect.CollectPreconditions.checkEntryNotNull(CollectPreconditions.java:31)
[03:50:18] [Thread-15/WARN]: 	at com.google.common.collect.ImmutableMap.entryOf(ImmutableMap.java:135)
[03:50:18] [Thread-15/WARN]: 	at com.google.common.collect.ImmutableMap$Builder.put(ImmutableMap.java:206)
[03:50:18] [Thread-15/WARN]: 	at org.bukkit.craftbukkit.v1_8_R3.inventory.CraftMetaItem.serializeEnchantments(CraftMetaItem.java:915)
[03:50:18] [Thread-15/WARN]: 	at org.bukkit.craftbukkit.v1_8_R3.inventory.CraftMetaItem.serialize(CraftMetaItem.java:864)
[03:50:18] [Thread-15/WARN]: 	at org.bukkit.craftbukkit.v1_8_R3.inventory.CraftMetaItem.serialize(CraftMetaItem.java:850)
[03:50:18] [Thread-15/WARN]: 	at net.coreprotect.database.Logger.container_logger(Logger.java:524)
[03:50:18] [Thread-15/WARN]: 	at net.coreprotect.database.Logger.log_container(Logger.java:437)
[03:50:18] [Thread-15/WARN]: 	at net.coreprotect.consumer.Process.processContainerTransaction(Process.java:251)
[03:50:18] [Thread-15/WARN]: 	at net.coreprotect.consumer.Process.processConsumer(Process.java:91)
[03:50:18] [Thread-15/WARN]: 	at net.coreprotect.consumer.Consumer.run(Consumer.java:48)
[03:50:18] [Thread-15/WARN]: 	at java.lang.Thread.run(Thread.java:745)