[21:12:31] [Server thread/WARN]: [BW] Task #77 for Bedwars v1.2.7 generated an exception
java.lang.NoSuchMethodError: org.bukkit.OfflinePlayer.getUniqueId()Ljava/util/UUID;
	at me.BukkitPVP.bedwars.Achievements.AchievementManager.hasAchievement(AchievementManager.java:47) ~[?:?]
	at me.BukkitPVP.bedwars.Achievements.AchievementManager.giveAchievement(AchievementManager.java:72) ~[?:?]
	at me.BukkitPVP.bedwars.Manager.Game.stop(Game.java:392) ~[?:?]
	at me.BukkitPVP.bedwars.Manager.Game$2.run(Game.java:300) ~[?:?]
	at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java:53) ~[craftbukkit-1.7.2.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit-1.7.2.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:587) [craftbukkit-1.7.2.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit-1.7.2.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit-1.7.2.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit-1.7.2.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit-1.7.2.jar:git-Bukkit-1.7.2-R0.3-b3020jnks]