How to resolve PEAR packages path to place in php.ini for Cyber Panel

How can I find the acceptable path to include in php.ini where a PEAR library is installed for Cyber Panel?

I tried /usr/local/lsws/lsphp71/lib/php/pear/mail.php

ini_set(“include_path”, ‘/usr/local/lsws/lsphp71/lib/php/pear:’. ini_get(“include_path”) );

require_once “Mail.php”;

2019-09-01 16:32:59.077794 [NOTICE] [] [STDERR] PHP Warning: require_once(): open_basedir restriction in effect. File(/usr/local/lsws/lsphp71/lib/php/pear/Mail.php) is not within the allowed path(s): (/tmp:/home/ in /home/ on line 4
2019-09-01 16:32:59.077885 [NOTICE] [] [STDERR] PHP Warning: require_once(/usr/local/lsws/lsphp71/lib/php/pear/Mail.php): failed to open stream: Operation not permitted in /home/ on line 4
2019-09-01 16:32:59.077907 [NOTICE] [] [STDERR] PHP Fatal error: require_once(): Failed opening required ‘Mail.php’ (include_path=’/usr/local/lsws/lsphp71/lib/php/pear:.:’) in /home/ on line 4