[imp] Fatal error: Call to undefined function: iswarning()

[Ed - Imp]

Fatal error: Call to undefined function: iswarning() in
/var/www/horde/lib/Prefs/sql.php on line 101

Redhat 8.0
Horde 2.1
IMP 3.1 (final)
MySql 3.23.53a
vpopmail.


>From suslog:
Oct 18 21:12:12 evrtwa1-ar3-4-65-150-250 HORDE[32401]: [imp] Login success
for linux@nwiz.biz@nwiz.biz [4.65.133.66] to {localhost:143} [on line 64 of
"/var/www/horde/imp/redirect.php"]
b

the login was entered as: linux@brokendown.net

works perfectly if I turn the MySql off and use none for perfs/driver.

Thanks in advance,

Ed
Compass Communications
Seattle, WA