of an autoload function you throw an exception if the class cannot be found, or perhaps a fatal error. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have. I am doing a tutorial and am getting this error: Fatal error: Class ' MySQLi' not found ( LONG URL) on line 8 The code on line 8 is: $ mysqli = new MySQLi( $ db_ server, $ db_ user, $ db_ pass, $ db_ name. Fatal error: Class ' SoapClient' not found in. Fatal error message -. It is issue with php soap. i guess php soap client is not enable on your system. PHP Fatal error: Class ' Hoge' not found in / home/ ao/ tmp/ phprequire/ 8.