Mythicmobs

[14:02:34 ERROR]: [MythicMobs] [SCHEDULER] Exception thrown whilst executing task
[14:02:34 WARN]: java.lang.IllegalArgumentException: CommandLine cannot be null
[14:02:34 WARN]:        at org.apache.commons.lang.Validate.notNull(Validate.java:192)
[14:02:34 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:646)
[14:02:34 WARN]:        at io.lumine.xikage.mythicmobs.adapters.bukkit.BukkitServer.dispatchCommand(BukkitServer.java:54)
[14:02:34 WARN]:        at io.lumine.xikage.mythicmobs.skills.mechanics.CommandMechanic.castAtEntity(CommandMechanic.java:69)
[14:02:34 WARN]:        at io.lumine.xikage.mythicmobs.skills.SkillMechanic.lambda$executeTargetedEntitySkill$5(SkillMechanic.java:445)
[14:02:34 WARN]:        at java.lang.Iterable.forEach(Unknown Source)
[14:02:34 WARN]:        at io.lumine.xikage.mythicmobs.skills.SkillMechanic.executeTargetedEntitySkill(SkillMechanic.java:441)
[14:02:34 WARN]:        at io.lumine.xikage.mythicmobs.skills.SkillMechanic.lambda$executeSkills$1(SkillMechanic.java:392)
[14:02:34 WARN]:        at io.lumine.xikage.mythicmobs.utils.tasks.Scheduler.lambda$wrapRunnable$5(Scheduler.java:69)
[14:02:34 WARN]:        at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
[14:02:34 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76)
[14:02:34 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361)
[14:02:34 WARN]:        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739)
[14:02:34 WARN]:        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406)
[14:02:34 WARN]:        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679)
[14:02:34 WARN]:        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577)
[14:02:34 WARN]:        at java.lang.Thread.run(Unknown Source)