GAListener Problem

30.10 13:03:39 [Server] INFO Vote received on MCSL for Player: valdemardk
30.10 13:03:39 [Server] INFO Player: valdemardk was lucky with number 1
30.10 13:03:39 [Server] WARN Exception in thread "Craft Scheduler Thread - 1682"
30.10 13:03:39 [Server] WARN org.apache.commons.lang.UnhandledException: Plugin GAListener v1.3.2 generated an exception while executing task 19184
30.10 13:03:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
30.10 13:03:39 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
30.10 13:03:39 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
30.10 13:03:39 [Server] INFO at java.lang.Thread.run(Thread.java:745)
30.10 13:03:39 [Server] INFO Caused by: java.lang.NoSuchMethodError: org.bukkit.Server._INVALID_getOnlinePlayers()[Lorg/bukkit/entity/Player;
30.10 13:03:39 [Server] INFO at com.swifteh.GAL.RewardTask.run(RewardTask.java:37)
30.10 13:03:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
30.10 13:03:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
30.10 13:03:39 [Server] INFO ... 3 more
30.10 13:03:39 [Server] WARN Exception in thread "Craft Scheduler Thread - 1683"
30.10 13:03:39 [Server] WARN org.apache.commons.lang.UnhandledException: Plugin GAListener v1.3.2 generated an exception while executing task 19186
30.10 13:03:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
30.10 13:03:39 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
30.10 13:03:39 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
30.10 13:03:39 [Server] INFO at java.lang.Thread.run(Thread.java:745)
30.10 13:03:39 [Server] INFO Caused by: java.lang.NoSuchMethodError: org.bukkit.Server._INVALID_getOnlinePlayers()[Lorg/bukkit/entity/Player;
30.10 13:03:39 [Server] INFO at com.swifteh.GAL.RewardTask.run(RewardTask.java:37)
30.10 13:03:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
30.10 13:03:39 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
30.10 13:03:39 [Server] INFO ... 3 more