[rt-users] Need help with Error Message

[Alex Vandiver]

On Mon, 2014-03-24 at 20:48 +0000, Bryon Baker wrote:
> When replying from the transaction section of a ticket we get the
> following exception thrown in the error log. [snip]

This was fixed in RT 4.2.2.  The error will still occur in your logs,
and the outgoing email will not have a text/plain part, but the mail
will at least be sent -- unlike in 4.2.0 and 4.2.1.
 - Alex