[[!comment format=mdwn
 username="vignan.lavu@9d85b92080da180cb07dd13c86bfacd378bc0659"
 nickname="vignan.lavu"
 avatar="http://cdn.libravatar.org/avatar/e31721e40951baf54f357f6eeeb19d1e"
 subject="comment 3"
 date="2018-08-13T12:34:26Z"
 content="""
I faced similar issue when i restored my blogs into new wiki. In my case it is due to permission of ikiwiki.cgi file (/var/www/<blog>/ikiwiki.cgi).
It should be 6775 rather than 775.

Hope this helps.
"""]]