WARN java.util.ConcurrentModificationException: null

[katze225]

[16:33:26 WARN]: [CMI] Task #638 for CMI v9.7.6.7 generated an exception
java.util.ConcurrentModificationException: null
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1605) ~[?:?]
at java.util.HashMap$KeyIterator.next(HashMap.java:1628) ~[?:?]
at java.util.AbstractCollection.addAll(AbstractCollection.java:337) ~[?:?]
at java.util.HashSet.(HashSet.java:121) ~[?:?]
at com.Zrips.CMI.Modules.Holograms.CMIHologram.updateHolo(CMIHologram.java:2897) ~[CMI-9.7.6.7 (1).jar:?]
at com.Zrips.CMI.Modules.Holograms.CMIHologram.lambda$16(CMIHologram.java:2729) ~[CMI-9.7.6.7 (1).jar:?]
at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[purpur-1.19.4.jar:git-Purpur-1985]
at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[purpur-1.19.4.jar:git-Purpur-1985]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1510) ~[purpur-1.19.4.jar:git-Purpur-1985]
at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:488) ~[purpur-1.19.4.jar:git-Purpur-1985]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1424) ~[purpur-1.19.4.jar:git-Purpur-1985]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1195) ~[purpur-1.19.4.jar:git-Purpur-1985]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:325) ~[purpur-1.19.4.jar:git-Purpur-1985]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]