Unbounce Pages – page is blank after plugin installation

After installing the plugin (Unbounce Version 1.0.16) and clicking on the new “Unbounce Pages” menu item on the left all I was shown was a blank page. We self-host on our own VPS running Ubuntu 14.04. I thought at first there was some sort of javascript compatibility error, but finally tracked down the problem after turning on debug mode in wp-config. The “Unbounce Pages” showed the following error after turning on debug mode: “Fatal error: Call to undefined function curl_init()” I didn’t see Curl anywhere in the plugin installation requirements.. Or any mention of it on the offical site’s documentation, which just mentions: Self hosted WordPress site, Access to your site admin, PHP version 5.3 or higher. ( http://documentation.unbounce.com/hc/en-us/articles/205346520 ) You should probably list “php5-curl” as a requirement or check for the existence of the curl function in php and display an error stating it needs to be installed. I was able to get things working by installing php5-curl and then restarting apache: # sudo apt-get install php5-curl # sudo service apache2 restart Hopefully this helps someone else. https://wordpress.org/plugins/unbounce/ I confirm, curl needed to cure this error.