[imp] imp login problem

[db]

I installed imp and now am facing this problem at the
login prompt and it is not allowing me to login.


Notice: Use of undefined constant SORTARRIVAL -
assumed 'SORTARRIVAL' in
/usr/horde-2.2.3/imp/config/prefs.php on line 503

Notice: Use of undefined constant SORTARRIVAL -
assumed 'SORTARRIVAL' in
/usr/horde-2.2.3/imp/config/prefs.php on line 507

Notice: Use of undefined constant SORTDATE - assumed
'SORTDATE' in /usr/horde-2.2.3/imp/config/prefs.php on
line 508

Notice: Use of undefined constant SORTFROM - assumed
'SORTFROM' in /usr/horde-2.2.3/imp/config/prefs.php on
line 509

Notice: Use of undefined constant SORTSUBJECT -
assumed 'SORTSUBJECT' in
/usr/horde-2.2.3/imp/config/prefs.php on line 510

Notice: Use of undefined constant SORTSIZE - assumed
'SORTSIZE' in /usr/horde-2.2.3/imp/config/prefs.php on
line 511

Warning: Cannot modify header information - headers
already sent by (output started at
/usr/horde-2.2.3/imp/config/prefs.php:503) in
/usr/horde-2.2.3/lib/Secret.php on line 144

Notice: Use of undefined constant SORTARRIVAL -
assumed 'SORTARRIVAL' in
/usr/horde-2.2.3/imp/config/prefs.php on line 503

Notice: Use of undefined constant SORTARRIVAL -
assumed 'SORTARRIVAL' in
/usr/horde-2.2.3/imp/config/prefs.php on line 507

Notice: Use of undefined constant SORTDATE - assumed
'SORTDATE' in /usr/horde-2.2.3/imp/config/prefs.php on
line 508

Notice: Use of undefined constant SORTFROM - assumed
'SORTFROM' in /usr/horde-2.2.3/imp/config/prefs.php on
line 509

Notice: Use of undefined constant SORTSUBJECT -
assumed 'SORTSUBJECT' in
/usr/horde-2.2.3/imp/config/prefs.php on line 510

Notice: Use of undefined constant SORTSIZE - assumed
'SORTSIZE' in /usr/horde-2.2.3/imp/config/prefs.php on
line 511

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