Bukkit

What steps will reproduce the problem?
1. Turn the server on.
2. Let the broadcasts run.
3.

What is the expected output? What do you see instead?
Output is usual but errors spam console.

What version of the product are you using?
v1.3.5

Do you have an error log of what happened?
[08:33:55 WARN]: Exception in thread "pool-3-thread-159"
[08:33:55 WARN]: org.apache.commons.lang.UnhandledException: Plugin broad-cast v
1.3.5 generated an exception while executing task 29
        at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftAsyncTask.run(CraftAsyn
cTask.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.ArithmeticException: / by zero
        at me.stephanvl.Broadcast.BcMetrics.getUsedPrefix(BcMetrics.java:41)
        at me.stephanvl.Broadcast.BcMetrics$1.getValue(BcMetrics.java:352)
        at me.stephanvl.Broadcast.Metrics.postPlugin(Metrics.java:439)
        at me.stephanvl.Broadcast.Metrics.access$4(Metrics.java:367)
        at me.stephanvl.Broadcast.Metrics$1.run(Metrics.java:241)
        at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java
:53)
        at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftAsyncTask.run(CraftAsyn
cTask.java:53)
        ... 3 more

Please provide any additional information below.
I looked at your code and it is because you need to update the totalMessages to something other than 0 before dividing the returns.

It could also probably work if you just got rid of the totalMessages or just set it to 1.