[17:57:29] [Craft Scheduler Thread - 358/WARN]: [MythicMobs] Plugin MythicMobs v4.3.2-SNAPSHOT generated an exception while executing task 614
java.lang.IllegalArgumentException: Progress must be between 0.0 and 1.0 (NaN)
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:191) ~[spigot.jar:git-Spigot-eb3d921-b9f1615]
	at org.bukkit.craftbukkit.v1_12_R1.boss.CraftBossBar.setProgress(CraftBossBar.java:123) ~[spigot.jar:git-Spigot-eb3d921-b9f1615]
	at io.lumine.xikage.mythicmobs.adapters.bukkit.BukkitBossBar.setProgress(BukkitBossBar.java:74) ~[?:?]
	at io.lumine.xikage.mythicmobs.mobs.ActiveMob.updateBossBar(ActiveMob.java:443) ~[?:?]
	at io.lumine.xikage.mythicmobs.mobs.ActiveMob.tick(ActiveMob.java:119) ~[?:?]
	at io.lumine.xikage.mythicmobs.skills.AbstractSkill.RunTimerSkills(AbstractSkill.java:295) ~[?:?]
	at io.lumine.xikage.mythicmobs.clock.MythicMobsAsyncClock.run(MythicMobsAsyncClock.java:19) ~[?:?]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[spigot.jar:git-Spigot-eb3d921-b9f1615]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [spigot.jar:git-Spigot-eb3d921-b9f1615]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_191]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_191]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_191]