Mythicmobs projectiles not working

[LLjo]

MythicMobs projectile skills doesn't work. I have no idea if it's an easy fix but the mod is heavy dependent on it.

[04:40:28] [Server thread/ERROR]: [MythicMobs] [SCHEDULER] Exception thrown whilst executing task [04:40:28] [Server thread/WARN]: java.lang.NoSuchMethodError: org.bukkit.block.Block.isPassable()Z [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.util.BlockUtil.isPathable(BlockUtil.java:41) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.mechanics.ProjectileMechanic$ProjectileMechanicTracker.projectileTick(ProjectileMechanic.java:227) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.projectiles.Projectile$ProjectileTracker.run(Projectile.java:406) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.projectiles.Projectile$ProjectileTracker.lambda$start$12(Projectile.java:383) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.utils.Delegates$RunnableToFunction.apply(Delegates.java:189) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.utils.promise.LuminePromise$ApplyRunnable.run(LuminePromise.java:684) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.utils.tasks.LumineExecutors$SchedulerWrappedRunnable.run(LumineExecutors.java:70) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.utils.promise.LuminePromise.executeSync(LuminePromise.java:133) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.utils.promise.LuminePromise.lambda$thenApplySync$1(LuminePromise.java:364) [04:40:28] [Server thread/WARN]: at java.util.concurrent.CompletableFuture.uniWhenComplete(Unknown Source) [04:40:28] [Server thread/WARN]: at java.util.concurrent.CompletableFuture.uniWhenCompleteStage(Unknown Source) [04:40:28] [Server thread/WARN]: at java.util.concurrent.CompletableFuture.whenComplete(Unknown Source) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.utils.promise.LuminePromise.thenApplySync(LuminePromise.java:360) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.utils.promise.Promise.thenRunSync(Promise.java:1019) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.projectiles.Projectile$ProjectileTracker.start(Projectile.java:346) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.mechanics.ProjectileMechanic$ProjectileMechanicTracker.(ProjectileMechanic.java:88) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.mechanics.ProjectileMechanic.castAtLocation(ProjectileMechanic.java:63) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.mechanics.ProjectileMechanic.castAtEntity(ProjectileMechanic.java:73) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.SkillMechanic.lambda$executeTargetedEntitySkill$5(SkillMechanic.java:462) [04:40:28] [Server thread/WARN]: at java.lang.Iterable.forEach(Unknown Source) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.SkillMechanic.executeTargetedEntitySkill(SkillMechanic.java:458) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.SkillMechanic.executeSkills(SkillMechanic.java:411) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.SkillMechanic.execute(SkillMechanic.java:326) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.Skill.execute(Skill.java:270) [04:40:28] [Server thread/WARN]: at io.lumine.xikage.mythicmobs.skills.AbstractSkill$DelayedSkill.run(AbstractSkill.java:497) [04:40:28] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) [04:40:28] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:421) [04:40:28] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:882) [04:40:28] [Server thread/WARN]: at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:474) [04:40:28] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:826) [04:40:28] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:685) [04:40:28] [Server thread/WARN]: at java.lang.Thread.run(Unknown Source)

[Luohuayu]

The plugin version is not support 1.12.2