Error: Plugin init for plugin 'geoip_city_maxmind' failed with return code: Error opening /usr/share/GeoIP/GeoLiteCity.dat at (eval 7) line 5008. (A module required by plugin might be missing).

Setup ('/home/iplikatore/domains/iplikator.eu/awstats/.data/awstats.iplikator.eu.conf' file, web server or permissions) may be wrong.
Check config file, permissions and AWStats documentation (in 'docs' directory).