[BlueOnyx:11103] squirrelmail php errors

[SB9-PageKeeper Service]

 these lines are seen at the top of opened emails........

Notice: Undefined variable: charset_converted in
/usr/share/squirrelmail/functions/mime.php on line 316

Notice: Undefined variable: charset in
/usr/share/squirrelmail/functions/mime.php on line 317

Notice: Undefined variable: charset in
/usr/share/squirrelmail/functions/mime.php on line 317

Notice: Undefined variable: charset in
/usr/share/squirrelmail/functions/mime.php on line 317

Warning: Cannot modify header information - headers already sent by
(output started at /usr/share/squirrelmail/functions/mime.php:316) in
/usr/share/squirrelmail/functions/page_header.php on line 31

  any ideas where to start. looks like yum updated last night then this started.
  
  Sincerely,
  David Hahn  
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