Cracked Prometheus {VERSION 1.6.3.19} {LATEST}

Wait Man i've got the problem to install.php they write me : This is not a valid API Key! but i went to http://steamcommunity.com/dev/registerkey put my website so i've got new API Key, i went to the file config.php and i put this API KEY and now when i go for install i write also the API KEY... But no valid can you help plz ?