java.util.ConcurrentModificationException

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    • java.util.ConcurrentModificationException at java.util.HashMap$EntrySpliterator.tryAdvance(Unknown Source) at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source) at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source) at java.util.stream.AbstractPipeline.copyInto(Unknown Source) at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source) at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source) at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source) at java.util.stream.AbstractPipeline.evaluate(Unknown Source) at java.util.stream.ReferencePipeline.anyMatch(Unknown Source) at io.github.nucleuspowered.nucleus.config.loaders.UserConfigLoader.clearNullSoftReferences(UserConfigLoader.java:127) at io.github.nucleuspowered.nucleus.config.loaders.UserConfigLoader.getUser(UserConfigLoader.java:70) at io.github.nucleuspowered.nucleus.config.loaders.UserConfigLoader.getUser(UserConfigLoader.java:58) at io.github.nucleuspowered.nucleus.internal.migrators.EssCmdsMigrator.migrate(EssCmdsMigrator.java:106) at io.github.nucleuspowered.nucleus.internal.command.MigratorCommand.executeCommand(MigratorCommand.java:67) at io.github.nucleuspowered.nucleus.internal.command.AbstractCommand.startExecute(AbstractCommand.java:378) at io.github.nucleuspowered.nucleus.internal.command.AbstractCommand.lambda$execute$45(AbstractCommand.java:364) at org.spongepowered.api.scheduler.Task$Builder.lambda$execute$0(Task.java:138) at org.spongepowered.common.scheduler.SchedulerBase.lambda$startTask$0(SchedulerBase.java:177) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
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