Autorank v4.0.7 en 1.12.1

[Craft Scheduler Thread - 247/WARN]: [Autorank] Plugin Autorank v4.0.7 generated an exception while executing task 4301
java.lang.UnsupportedOperationException: Not supported in this Minecraft version.
    at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.hasAchievement(CraftPlayer.java:603) ~[spigot-1.12.1.jar:git-Spigot-5340a52-27b8bf9]
    at me.armar.plugins.autorank.pathbuilder.requirement.AchievementRequirement.meetsRequirement(AchievementRequirement.java:67) ~[?:?]
    at me.armar.plugins.autorank.pathbuilder.holders.RequirementsHolder.meetsRequirement(RequirementsHolder.java:257) ~[?:?]
    at me.armar.plugins.autorank.pathbuilder.Path.meetRequirements(Path.java:235) ~[?:?]
    at me.armar.plugins.autorank.pathbuilder.Path.applyChange(Path.java:97) ~[?:?]
    at me.armar.plugins.autorank.playerchecker.PlayerChecker.checkPlayer(PlayerChecker.java:49) ~[?:?]
    at me.armar.plugins.autorank.listeners.PlayerJoinListener$1.run(PlayerJoinListener.java:49) ~[?:?]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.12.1.jar:git-Spigot-5340a52-27b8bf9]
    at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [spigot-1.12.1.jar:git-Spigot-5340a52-27b8bf9]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_141]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_141]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_141]