onMessage: String index out of range: -1

[k-jiang]

PurpleIRC-1.0.224
Spigot 1.10.2 build 904
Using IRC server on Linux

[PurpleIRC] onMessage: String index out of range: -1
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at java.lang.String.substring(String.java:1931)
at com.cnaude.purpleirc.IRCMessageHandler.processMessage(IRCMessageHandler.java:79)
at com.cnaude.purpleirc.IRCListeners.MessageListener.onMessage(MessageListener.java:68)
at com.cnaude.purpleirc.ext.org.pircbotx.hooks.ListenerAdapter.onEvent(ListenerAdapter.java:66)
at com.cnaude.purpleirc.ext.org.pircbotx.hooks.managers.ThreadedListenerManager$1.call(ThreadedListenerManager.java:119)
at com.cnaude.purpleirc.ext.org.pircbotx.hooks.managers.ThreadedListenerManager$1.call(ThreadedListenerManager.java:114)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

[cnaude]

What do you have command-prefix: set to in your bot yml file?

[cnaude]

Should be fixed in latest Jenkins build.

[k-jiang]

bot.yml

command-prefix: .

I never ever touch it since installed years ago. Is this a default value?

[k-jiang]

Tested on build 225, it's seems fine right now. Thank you!