[imp]Trash Problem

[Jessica Suarez]

i have errors when i try to delete from trash.

The errors are :
Notice: Undefined index: thismailbox in
/usr/local/apache2/htdocs/horde/imp/lib/Message.php on line 235

Warning: Cannot modify header information - headers already sent by (output
started at /usr/local/apache2/htdocs/horde/imp/lib/Message.php:235) in
/usr/local/apache2/htdocs/horde/imp/mailbox.php on line 154

Notice: (null)(): Copy not valid for POP3 (errflg=2) in Unknown on line 0


what do i need to configure ?????

Jessica Suárez G