[Mailman-Users] (mailman) -- Failure to exec script.

[Ismet Dere]

hello all,

i'm tring to install mailman on RH7 linux,sendmail, during installation
everything seemed fine, but when i go to website, got this message, what am
i doing wrong? i thing it's something to do with cgi. but what?

Failure to exec script. WANTED gid 500, GOT gid 99.  (Reconfigure to take
99?)

i appreciate any help.

regards
ismet