Error: Couldn't open config file "awstats.500136861179.conf" nor "awstats.conf" after searching in path "/home/eco/public_html,/etc/awstats,/usr/local/etc/awstats,/etc,/etc/opt/awstats": No such file or directory

- Did you use the correct URL ?
Example: http://localhost/awstats/awstats.pl?config=mysite
Example: http://127.0.0.1/cgi-bin/awstats.pl?config=mysite
- Did you create your config file 'awstats.500136861179.conf' ?
If not, you can run "/home/eco/public_html/tools/awstats_configure.pl" from command line, or create it manually.

Check config file, permissions and AWStats documentation (in 'docs' directory).