gistfile1.txt

>.... [14:12:24 WARN] [NuVotifier]: Purging out of date vote.
>.... [14:12:24 ERROR]: Task BungeeTask(sched=net.md_5.bungee.scheduler.BungeeScheduler@36b6964d, id=82, owner=com.vexsoftware.votifier.bungee.NuVotifier@35d145fb, task=com.vexsoftware.votifier.support.forwarding.cache.FileVoteCache$$Lambda$684/0x000000080124dc40@1315befe, delay=180000, period=180000, running=true) encountered an exception
java.util.ConcurrentModificationException: null
at java.util.HashMap$HashIterator.remove(HashMap.java:1598) ~[?:?]
at com.google.common.collect.AbstractMapBasedMultimap$AsMap$AsMapIterator.remove(AbstractMapBasedMultimap.java:1435) ~[server.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:2615829:346]
at com.vexsoftware.votifier.support.forwarding.cache.FileVoteCache.serializeMap(FileVoteCache.java:153) ~[?:?]
at com.vexsoftware.votifier.support.forwarding.cache.FileVoteCache.save(FileVoteCache.java:119) ~[?:?]
at com.vexsoftware.votifier.support.forwarding.cache.FileVoteCache.lambda$new$0(FileVoteCache.java:33) ~[?:?]
at net.md_5.bungee.scheduler.BungeeTask.run(BungeeTask.java:66) ~[server.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:2615829:346]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) ~[?:?]
at java.lang.Thread.run(Thread.java:832) [?:?]