Notice: Use of undefined constant FRAMEWORK_NAME - assumed 'FRAMEWORK_NAME' in /var/www/html/framework/dev/install/install.php5 on line 34

Warning: require_once(FRAMEWORK_NAME/core/Constants.php): failed to open stream: No such file or directory in /var/www/html/framework/dev/install/install.php5 on line 34

Fatal error: require_once(): Failed opening required 'FRAMEWORK_NAME/core/Constants.php' (include_path='.:/usr/share/php') in /var/www/html/framework/dev/install/install.php5 on line 34