[11:51:56 INFO]: xXAmyLouiseXx[/86.155.80.147:1025] logged in with entity id 129 0 at ([Spawn]46.183584887940725, 16.0, 177.53501025153815) [11:54:16 WARN]: Exception in thread "Craft Scheduler Thread - 2" [11:54:16 WARN]: org.apache.commons.lang.UnhandledException: Plugin Shopkeepers v1.60 generated an exception while executing task 877 at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftAsyncTask.run(CraftAsyn cTask.java:56) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.NullPointerException: null key in entry: null=0 at com.google.common.collect.CollectPreconditions.checkEntryNotNull(Coll ectPreconditions.java:31) at com.google.common.collect.ImmutableMap.entryOf(ImmutableMap.java:135)

at com.google.common.collect.ImmutableMap$Builder.put(ImmutableMap.java: 206) at org.bukkit.craftbukkit.v1_8_R2.inventory.CraftMetaItem.serializeEncha ntments(CraftMetaItem.java:917) at org.bukkit.craftbukkit.v1_8_R2.inventory.CraftMetaItem.serialize(Craf tMetaItem.java:865) at org.bukkit.craftbukkit.v1_8_R2.inventory.CraftMetaItem.serialize(Craf tMetaItem.java:851) at org.bukkit.configuration.file.YamlRepresenter$RepresentConfigurationS erializable.representData(YamlRepresenter.java:33) at org.yaml.snakeyaml.representer.BaseRepresenter.representData(BaseRepr esenter.java:95) at org.yaml.snakeyaml.representer.BaseRepresenter.representMapping(BaseR epresenter.java:157) at org.yaml.snakeyaml.representer.SafeRepresenter$RepresentMap.represent Data(SafeRepresenter.java:320) at org.bukkit.configuration.file.YamlRepresenter$RepresentConfigurationS erializable.representData(YamlRepresenter.java:35) at org.yaml.snakeyaml.representer.BaseRepresenter.representData(BaseRepr esenter.java:95) at org.yaml.snakeyaml.representer.BaseRepresenter.representMapping(BaseR epresenter.java:157) at org.yaml.snakeyaml.representer.SafeRepresenter$RepresentMap.represent Data(SafeRepresenter.java:320) at org.bukkit.configuration.file.YamlRepresenter$RepresentConfigurationS ection.representData(YamlRepresenter.java:23) at org.yaml.snakeyaml.representer.BaseRepresenter.representData(BaseRepr esenter.java:95) at org.yaml.snakeyaml.representer.BaseRepresenter.representMapping(BaseR epresenter.java:157) at org.yaml.snakeyaml.representer.SafeRepresenter$RepresentMap.represent Data(SafeRepresenter.java:320) at org.bukkit.configuration.file.YamlRepresenter$RepresentConfigurationS ection.representData(YamlRepresenter.java:23) at org.yaml.snakeyaml.representer.BaseRepresenter.representData(BaseRepr esenter.java:95) at org.yaml.snakeyaml.representer.BaseRepresenter.representMapping(BaseR epresenter.java:157) at org.yaml.snakeyaml.representer.SafeRepresenter$RepresentMap.represent Data(SafeRepresenter.java:320) at org.bukkit.configuration.file.YamlRepresenter$RepresentConfigurationS ection.representData(YamlRepresenter.java:23) at org.yaml.snakeyaml.representer.BaseRepresenter.representData(BaseRepr esenter.java:95) at org.yaml.snakeyaml.representer.BaseRepresenter.representMapping(BaseR epresenter.java:157) at org.yaml.snakeyaml.representer.SafeRepresenter$RepresentMap.represent Data(SafeRepresenter.java:320) at org.yaml.snakeyaml.representer.BaseRepresenter.representData(BaseRepr esenter.java:95) at org.yaml.snakeyaml.representer.BaseRepresenter.represent(BaseRepresen ter.java:65) at org.yaml.snakeyaml.Yaml.dumpAll(Yaml.java:271) at org.yaml.snakeyaml.Yaml.dumpAll(Yaml.java:262) at org.yaml.snakeyaml.Yaml.dumpAll(Yaml.java:234) at org.yaml.snakeyaml.Yaml.dump(Yaml.java:209) at org.bukkit.configuration.file.YamlConfiguration.saveToString(YamlConf iguration.java:40) at com.nisovin.shopkeepers.ShopkeepersPlugin.saveDataToFile(ShopkeepersP lugin.java:1279) at com.nisovin.shopkeepers.ShopkeepersPlugin.access$1000(ShopkeepersPlug in.java:56) at com.nisovin.shopkeepers.ShopkeepersPlugin$11.run(ShopkeepersPlugin.ja va:1238) at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftTask.run(CraftTask.java :71) at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftAsyncTask.run(CraftAsyn cTask.java:53) ... 3 more