Autnick Item not working 1.8

[Ruben54213]

21:27:14 WARN]: Exception in thread "Craft Scheduler Thread - 8"
[21:27:14 WARN]: org.apache.commons.lang.UnhandledException: Plugin AutoNick v1.4.2 generated an exception while executing task 153
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at de.seltrox.autonick.mysql.MySql.query(MySql.java:73)
at de.seltrox.autonick.AutoNickAPI.lambda$getPlayerInformation$7(AutoNickAPI.java:585)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more

[Ruben54213]

[21:38:43 WARN]: Exception in thread "Craft Scheduler Thread - 5"
[21:38:43 WARN]: org.apache.commons.lang.UnhandledException: Plugin AutoNick v1.4.2 generated an exception while executing task 89
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at de.seltrox.autonick.mysql.MySql.query(MySql.java:73)
at de.seltrox.autonick.AutoNickAPI.lambda$getPlayerInformation$7(AutoNickAPI.java:585)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more
[21:38:45 WARN]: Exception in thread "Craft Scheduler Thread - 11"
[21:38:45 WARN]: org.apache.commons.lang.UnhandledException: Plugin AutoNick v1.4.2 generated an exception while executing task 109
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at de.seltrox.autonick.mysql.MySql.query(MySql.java:73)
at de.seltrox.autonick.AutoNickAPI.lambda$getPlayerInformation$7(AutoNickAPI.java:585)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more