Ducky

Tou tendo um problema com o plugin, quando dou /vender aparece isto na console

[11:15:11 WARN]: java.lang.ArrayIndexOutOfBoundsException: 1

[11:15:11 WARN]: at rush.sistemas.gerais.DeletarComandos$1.run(DeletarComandos.java:40)

[11:15:11 WARN]: at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftTask.run(CraftTask.java:71)

[11:15:11 WARN]: at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)

[11:15:11 WARN]: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

[11:15:11 WARN]: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

[11:15:11 WARN]: at java.lang.Thread.run(Thread.java:748)

o que devo fazer?