[bugs] Tree.php and folder bug

[shannon@flyingmug.com]

I am running:
Horde 2.0
Imp 3.0
Turba 1.0
Redhat 7.2
Postfix 1.1.6
Imap 2000c

I get the following error when i click on the folders button.  It says its an 
index problem in the php.  Please help.
Warning: Undefined index: attributes 
in /var/www/html/mail/horde/imp/lib/Tree.php on line 689 

Warning: Undefined index: {localhost:143/imap}mail-may-2002 
in /var/www/html/mail/horde/imp/lib/Tree.php on line 652 

Warning: Undefined index: {localhost:143/imap}maildrafts 
in /var/www/html/mail/horde/imp/lib/Tree.php on line 652 

Warning: Undefined index: {localhost:143/imap}mailsent- 
in /var/www/html/mail/horde/imp/lib/Tree.php on line 652 

Warning: Undefined index: {localhost:143/imap}mailsent--jun-2002 
in /var/www/html/mail/horde/imp/lib/Tree.php on line 652 

Warning: Undefined index: {localhost:143/imap}mailtrash 
in /var/www/html/mail/horde/imp/lib/Tree.php on line 652 

Shannon