[sam] Problem when opening sam

[saulo at jeito.com.br]

Greetings,

when I click on the spam link I got these error messages in my browser:

Warning: preg_match() expects parameter 2 to be string, object given in
/srv/www/webmail2.jeito.com.br/horde/lib/Horde.php on line 587

Warning: htmlentities() expects parameter 1 to be string, object given in
/srv/www/webmail2.jeito.com.br/horde/lib/Horde.php on line 590

Warning: preg_match() expects parameter 2 to be string, object given in
/srv/www/webmail2.jeito.com.br/horde/lib/Horde.php on line 587

Warning: htmlentities() expects parameter 1 to be string, object given in
/srv/www/webmail2.jeito.com.br/horde/lib/Horde.php on line 590

What could this be?

apache-2.0.49
php-4.3.10
horde-3.0.4
imp-h3-4.0.3
sam-HEAD-2005-04-13

TIA

Saulo Calixto Bonfim

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