[08:23:38] [Craft Scheduler Thread - 25/WARN]: Exception in thread "Craft Scheduler Thread - 25"
[08:23:38] [Craft Scheduler Thread - 25/WARN]: org.apache.commons.lang.UnhandledException: Plugin Scoreboard-revision vR4 1.1 RELEASE generated an exception while executing task 46
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.util.ConcurrentModificationException
at java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1493)
at java.base/java.util.HashMap$KeyIterator.next(HashMap.java:1516)
at rien.bijl.Scoreboard.r.Board.ConfigBoard.run(ConfigBoard.java:80)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more
[08:23:38] [Craft Scheduler Thread - 25/WARN]: Exception in thread "Craft Scheduler Thread - 25" [08:23:38] [Craft Scheduler Thread - 25/WARN]: org.apache.commons.lang.UnhandledException: Plugin Scoreboard-revision vR4 1.1 RELEASE generated an exception while executing task 46 at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829) Caused by: java.util.ConcurrentModificationException at java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1493) at java.base/java.util.HashMap$KeyIterator.next(HashMap.java:1516) at rien.bijl.Scoreboard.r.Board.ConfigBoard.run(ConfigBoard.java:80) at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:59) at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53) ... 3 more
Tell me if im wrong