Warning: require_once(/Library/common.inc.php): failed to open stream: No such file or directory in /home/ctgoldco/public_html/calculator.php on line 3

Fatal error: require_once(): Failed opening required '/Library/common.inc.php' (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/ctgoldco/public_html/calculator.php on line 3