How to enable error reporting in Magento2
Here is the tip, how you can enable magento error reporting in magento 2
Connect FTP OR login into cpanel account and go to the following directory
pub/errors
find the local.xml.sample and rename to local.xml
and also on magento root folder find index.php and put the display error code at the bottom
error_reporting(E_ALL);
ini_set(‘display_errors’, 1);