[imp] Sending email from Compose screen error.

[listuser at ibwhoib.com]

Horde Version: 3.0.3
Imp Version: 4.0.2

When I compose an email and click send the following error displays at the top
of the screen:

Notice: Undefined index: params in
/var/www/localhost/htdocs/horde3/imp/lib/Compose.php on line 93

The compose screen says the message was sent correctly, but no email is
transmitted.