[horde] Call to undefined function: hascapability()

[Mark]

I started getting this when I upgraded to Horde 2.2. 

Call to undefined function: hascapability() in
<<path>>/horde/lib/Auth.php on line 219

I'm using Imp to authenticate, but this is happening when I try to
bring up www.mydomain.com/horde/

Any suggestions? The only reference I found to this in the archives
didn't have a resolution.

horde.conf (sans comments) included below:

$conf['debug_level'] = E_ALL;
$conf['max_exec_time'] = 0;
$conf['session_name'] = 'Horde';
$conf['cache_limiter'] = 'nocache';
$conf['session_timeout'] = 0;
$conf['use_ssl'] = 0;
$conf['compress_pages'] = true;
$conf['umask'] = 077;
$conf['tmpdir'] = null;


/**
 ** Horde Authentication
 **/
$conf['auth']['driver'] = 'application';
$conf['auth']['params'] = array('app' => 'imp');

/**
 ** Horde Logging
 **/

$conf['log']['enabled'] = true;
$conf['log']['type'] = 'file';
$conf['log']['name'] = 'd:/logs/horde/horde.log';
$conf['log']['priority'] = LOG_NOTICE;
$conf['log']['ident'] = 'HORDE';
$conf['log']['params'] = array();


/**
 ** Preference System Settings
 **/
$conf['prefs']['driver'] = 'sql';
$conf['prefs']['params'] = array();
$conf['prefs']['params']['phptype'] = 'mysql';
$conf['prefs']['params']['hostspec'] = 'localhost';
$conf['prefs']['params']['username'] = 'horde';
$conf['prefs']['params']['password'] = '*';
$conf['prefs']['params']['database'] = 'horde';
$conf['prefs']['params']['table'] = 'horde_prefs';

/**
 ** Cache System Settings
 **/
$conf['cache']['driver'] = 'none';
$conf['cache']['params'] = array();


/**
 ** Mailer
 **/

$conf['mailer']['type'] = 'smtp';
$conf['mailer']['params'] = array();
$conf['mailer']['params'] = array('host' => 'localhost');

/**
 ** Virtual File Storage
 **/

$conf['vfs']['type'] = 'file';
$conf['vfs']['params']['vfsroot'] = 'c:/tmp';


/**
 ** Custom Session Handler
 **/
 
$conf['sessionhandler']['type'] = 'none';


/**
 ** Problem Reporting
 **/

$conf['problems']['enabled'] = true;
$conf['problems']['email'] = 'webmaster at klomstock.com';


/**
 ** User Capabilities and Constraints
 **/

$conf['user']['online_help'] = true;

/**
 ** Stylesheets
 **/

$conf['css']['cached'] = true;

/**
 ** Menu settings
 **/

$conf['menu']['floating_bar'] = false;


=====
Mark Weinstock
mark_weinstock at yahoo.com
***************************************
You can't demand something as a "right" unless you are willing to fight to death to defend everyone else's right to the same thing.
-Stolen from the now-defunct Randy's Random mailing list.
***************************************

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