[23:17:54 WARN]: Exception in thread "Craft Scheduler Thread - 11"
[23:17:54 WARN]: org.apache.commons.lang.UnhandledException: Plugin Skript v2.2-Fixes-V9b generated an exception while executing task 52
        at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NumberFormatException: For input string: "http://nfell2009.uk/skript/downloads/1.2"
        at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source)
        at sun.misc.FloatingDecimal.parseDouble(Unknown Source)
        at java.lang.Double.parseDouble(Unknown Source)
        at java.lang.Double.valueOf(Unknown Source)
        at ch.njol.skript.Skript$4.run(Skript.java:520)
        at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:71)
        at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
        ... 3 more