[imp] error when reading S/MIME signed mails

[Thomas Gereke]

hello,

when i select s/mime signed mails for reading i get an empty window and this log
entry:

[client ****] PHP Fatal error:  Call to a member function on a non-object in
/home/httpd/html/horde/imp/lib/MIME/Viewer/pkcs7.php on line 159, referer: ***

what can i made wrong?
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digitale PGP-Unterschrift
Url : http://lists.horde.org/archives/imp/attachments/20040625/c261053c/attachment.bin