MythicMobs ConcurrentModificationException with scores

[ERROR] .... [MythicMobs] [SCHEDULER] Exception thrown whilst executing task

[WARNING] .... java.util.ConcurrentModificationException

[WARNING] .... at java.base/java.util.HashMap$HashIterator.nextNode(Unknown Source)

[WARNING] .... at java.base/java.util.HashMap$KeyIterator.next(Unknown Source)

[WARNING] .... at java.base/java.util.AbstractCollection.toArray(Unknown Source)

[WARNING] .... at java.base/java.util.ArrayList.<init>(Unknown Source)

[WARNING] .... at com.google.common.collect.Lists.newArrayList(Lists.java:149)

[WARNING] .... at net.minecraft.server.v1_16_R3.Scoreboard.getPlayers(SourceFile:115)

[WARNING] .... at org.bukkit.craftbukkit.v1_16_R3.scoreboard.CraftScore.getScore(CraftScore.java:46)

[WARNING] .... at io.lumine.xikage.mythicmobs.skills.mechanics.ModifyTargetScoreMechanic.castAtEntity(ModifyTargetScoreMechanic.java:59)

[WARNING] .... at io.lumine.xikage.mythicmobs.skills.SkillMechanic.lambda$executeTargetedEntitySkill$5(SkillMechanic.java:462)

[WARNING] .... at java.base/java.lang.Iterable.forEach(Unknown Source)

[WARNING] .... at io.lumine.xikage.mythicmobs.skills.SkillMechanic.executeTargetedEntitySkill(SkillMechanic.java:458)

[WARNING] .... at io.lumine.xikage.mythicmobs.skills.SkillMechanic.executeSkills(SkillMechanic.java:411)

[WARNING] .... at io.lumine.xikage.mythicmobs.skills.SkillMechanic.execute(SkillMechanic.java:326)

[WARNING] .... at io.lumine.xikage.mythicmobs.mobs.MythicMob.lambda$executeSkills$3(MythicMob.java:1062)

[WARNING] .... at io.lumine.xikage.mythicmobs.utils.Delegates$RunnableToSupplier.get(Delegates.java:121)

[WARNING] .... at io.lumine.xikage.mythicmobs.utils.promise.LuminePromise$SupplyRunnable.run(LuminePromise.java:654)

[WARNING] .... at io.lumine.xikage.mythicmobs.utils.tasks.LumineExecutors$SchedulerWrappedRunnable.run(LumineExecutors.java:70)

[WARNING] .... at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

[WARNING] .... at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

[WARNING] .... at java.base/java.lang.Thread.run(Unknown Source)