Problem: when you are trying to access Gravity forms, you encounter the following errors:   Uncaught TypeError: gform.applyFilters is not a function Uncaught TypeError: gform.addAction is not a function Uncaught TypeError: gform.initializeOnLoaded is not a function Uncaught TypeError: gform.initializeOnLoaded is not a function   Solution: this happens because php dom is not enabled. Log in..

Problem: when you update / downgrade wordpress, you have following error: This is usually due to inconsistent file permissions.: xmlrpc.php, wp-cron.php, wp-config-sample.php, wp-login.php, wp-settings.php, wp-mail.php, wp-links-opml.php, wp-load.php, wp-trackback.php Solution: if you can access your host via ssh, cd the wordpress installation folder and run following command: sudo chown -R www-data:www-data . Attention! Make sure that..