[23:23:04 WARN]: java.lang.IllegalArgumentException: Empty permission
[23:23:04 WARN]: 	at me.lucko.luckperms.common.core.model.ImmutableNode.<init>(ImmutableNode.java:198)
[23:23:04 WARN]: 	at me.lucko.luckperms.common.core.NodeBuilder.build(NodeBuilder.java:173)
[23:23:04 WARN]: 	at me.lucko.luckperms.bukkit.migration.MigrationPermissionsEx.migrateEntity(MigrationPermissionsEx.java:195)
[23:23:04 WARN]: 	at me.lucko.luckperms.bukkit.migration.MigrationPermissionsEx.execute(MigrationPermissionsEx.java:150)
[23:23:04 WARN]: 	at me.lucko.luckperms.common.commands.abstraction.MainCommand.execute(MainCommand.java:91)
[23:23:04 WARN]: 	at me.lucko.luckperms.common.commands.abstraction.MainCommand.execute(MainCommand.java:44)
[23:23:04 WARN]: 	at me.lucko.luckperms.common.commands.CommandManager.execute(CommandManager.java:186)
[23:23:04 WARN]: 	at me.lucko.luckperms.common.commands.CommandManager.lambda$onCommand$0(CommandManager.java:136)
[23:23:04 WARN]: 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[23:23:04 WARN]: 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[23:23:04 WARN]: 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[23:23:04 WARN]: 	at java.lang.Thread.run(Thread.java:745)