[imp] Division by zero

[Edward Brookhouse]

Has anyone seen this error:

Warning: Division by zero in /usr/local/apache/htdocs/horde/login.php on
line 90

Which is 

if (count($columns) > 0) {
        $width = round(100 / $pref_num_columns);



Horde 2.2
RHL 8.0
Apache 1.3.27

Thanks

EB
Ebroo at phillips dot com