Common problem for jwPlayer 4.5 and less. Try delete your Web browser cache and refresh the page again. Also applicable for audio streaming (no audio on load even if the encoder and streaming server are working).
After updating WordPress, “Warning! wp-cron.php not found!” error occured when enabling WP-Super-Cache plugin. Adding the DNS fully qualified hostname to /etc/hosts at line 127.0.0.1 should resolve this issue.
Getting this error with Joomla CMS? Warning: Memcache::addserver() expects parameter 2 to be long, string given in /joomla/libraries/joomla/cache/storage/memcache.php on line 83 Change the server port to 0 backend–> Configuration –> System In Port: change value the value 0