Warning: require_once(app/Mage.php): failed to open stream: No such file or directory in /home/asteritnet/public_html/m_test_search_speed.php on line 21

Fatal error: require_once(): Failed opening required 'app/Mage.php' (include_path='.:/opt/cpanel/ea-php72/root/usr/share/pear') in /home/asteritnet/public_html/m_test_search_speed.php on line 21