[BUG] Bug ConcurrentModificationException sur les LeaderboardManager

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une description claire du bug
java.util.ConcurrentModificationException: null
at java.base/java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1521) ~[?:?]
at java.base/java.util.TreeMap$EntryIterator.next(TreeMap.java:1557) ~[?:?]
at java.base/java.util.TreeMap$EntryIterator.next(TreeMap.java:1552) ~[?:?]
at java.base/java.util.TreeMap.buildFromSorted(TreeMap.java:2914) ~[?:?]
at java.base/java.util.TreeMap.buildFromSorted(TreeMap.java:2863) ~[?:?]
at java.base/java.util.TreeMap.putAll(TreeMap.java:354) ~[?:?]
at java.base/java.util.TreeMap.(TreeMap.java:198) ~[?:?]
at OpenMC.jar/fr.openmc.core.features.leaderboards.LeaderboardManager.createMoneyTextLeaderboard(LeaderboardManager.java:144) ~[OpenMC.jar:?]
at OpenMC.jar/fr.openmc.core.features.leaderboards.LeaderboardManager.updateHolograms(LeaderboardManager.java:584) ~[OpenMC.jar:?]
at OpenMC.jar/fr.openmc.core.features.leaderboards.LeaderboardManager$1.run(LeaderboardManager.java:302) ~[OpenMC.jar:?]
at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:78) ~[paper-1.21.10.jar:1.21.10-91-9934c17]
at org.bukkit.craftbukkit.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57) ~[paper-1.21.10.jar:1.21.10-91-9934c17]
at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[paper-1.21.10.jar:?]
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]