Warning: include(mainfile.php): failed to open stream: No such file or directory in /usr/home/tv-l/employmentpopov.php on line 10

Warning: include(): Failed opening 'mainfile.php' for inclusion (include_path='.:/usr/local/php/lib/php') in /usr/home/tv-l/employmentpopov.php on line 10

Warning: require_once(header.php): failed to open stream: No such file or directory in /usr/home/tv-l/employmentpopov.php on line 16

Fatal error: require_once(): Failed opening required 'header.php' (include_path='.:/usr/local/php/lib/php') in /usr/home/tv-l/employmentpopov.php on line 16