PHP script '/home/business/public_html/wp-content/plugins/ncp-subcat/includes/settings.php' is protected by SourceGuardian and requires a SourceGuardian loader 'ixed.5.6.lin' to be installed.

1) Download the required loader 'ixed.5.6.lin' from the SourceGuardian site: http://www.sourceguardian.com/loaders/download.php?php_v=5.6.36&php_ts=0&php_is=8&os_s=Linux&os_r=3.10.0-862.3.2.el7.x86_64&os_m=x86_64
2) Install the loader to /opt/cpanel/ea-php56/root/usr/lib64/php/modules
3) Edit /opt/cpanel/ea-php56/root/etc/php.ini and add 'extension=ixed.5.6.lin' directive