_Added in 1.8.10_

*<notextile>on <level>:ERROR:<matchtext>:<commands></notextile>*

Triggers when an IRC Server sends an ERROR message, this usually occurs on a disconnect.

*Parameters*

<level> - The level for the event to trigger.
<commands> - The commands to be performed when the event listener's criteria is met.

*Example*

<pre>
on *:ERROR:*:echo -ag Received error: $1- from the server
</pre>