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I am receiving a similar error  on mailman-2.1.29-lp152.6.13.x86_64   on Opensuse Leap 15.1

Mailman CGI error!!!

The Mailman CGI wrapper encountered a fatal error. This entry is being stored in your syslog:

Failure to exec script. WANTED gid 483, GOT gid 8.

The correct gid I think it should be 8 (wwwrun), 483  is vnc so it has no sense  wanting it.

tutatis:/usr/lib/mailman/cgi-bin # ls -l total 144 -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 admin -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 admindb -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 confirm -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 create -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 editarch -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 edithtml -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 listinfo -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 options -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 private -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 rmlist -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 roster -rwxr-sr-x 1 root mailman 10848 Jun 9 06:22 subscribe tutatis:/usr/lib/mailman/cgi-bin #

best regards

Hi, I received the following error this morning. So I rerun configure again with the following command: ./configure --with-cgi-id=apache --prefix=/var/mailman. I'm still getting the same error. Is there any place that I can look for so that I can debug this problem better? Perhaps, looking at the config history file or something. Any other places that I can check the cause of this error?

"Mailman CGI error!!!

The Mailman CGI wrapper encountered a fatal error. This entry is being stored in your syslog: Group mismatch error. Mailman expected the CGI wrapper script to be executed as group "nobody", but the system's web server executed the CGI script as group "apache". Try tweaking the web server to run the script as group "nobody", or re-run configure, providing the command line option `--with-cgi-gid=apache'."

Thanks