/save error

[19:23:09] [AutoSaveWorld AutoSaveThread/INFO]: [0;34;1mAutoSaving Starting[m
[19:23:10] [Server thread/WARN]: java.lang.NoSuchMethodException: net.minecraft.server.v1_7_R3.PlayerList.q()
[19:23:10] [Server thread/WARN]: 	at java.lang.Class.getDeclaredMethod(Unknown Source)
[19:23:10] [Server thread/WARN]: 	at autosaveworld.threads.save.AutoSaveThread.saveWorldDoNoSaveStructureInfo(AutoSaveThread.java:217)
[19:23:10] [Server thread/WARN]: 	at autosaveworld.threads.save.AutoSaveThread.access$200(AutoSaveThread.java:32)
[19:23:10] [Server thread/WARN]: 	at autosaveworld.threads.save.AutoSaveThread$2.run(AutoSaveThread.java:163)
[19:23:10] [Server thread/WARN]: 	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:58)
[19:23:10] [Server thread/WARN]: 	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
[19:23:10] [Server thread/WARN]: 	at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:628)
[19:23:10] [Server thread/WARN]: 	at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:283)
[19:23:10] [Server thread/WARN]: 	at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:576)
[19:23:10] [Server thread/WARN]: 	at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:482)
[19:23:10] [Server thread/WARN]: 	at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628)
[19:23:10] [AutoSaveWorld AutoSaveThread/INFO]: [0;34;1mAutoSave Complete[m