WHMCS shows the following error: pdo_sqlsrv.so.so: cannot open shared object file: No such file or directory in Unknown:0

Issue

After installation of the WHMCS tool you may face with the following error during you open URL:

Whoops\Exception\ErrorException: PHP Startup: Unable to load dynamic library 'pdo_sqlsrv.so' (tried: /opt/alt/php74/usr/lib64/php/modules/pdo_sqlsrv.so (/opt/alt/php74/usr/lib64/php/modules/pdo_sqlsrv.so: undefined symbol: php_pdo_register_driver), /opt/alt/php74/usr/lib64/php/modules/pdo_sqlsrv.so.so (/opt/alt/php74/usr/lib64/php/modules/pdo_sqlsrv.so.so: cannot open shared object file: No such file or directory)) in Unknown:0
Stack trace:
#0 /home/pwicloud/public_html/panel/vendor/whmcs/whmcs-foundation/lib/Utility/Error/Run.php(0): WHMCS\Utility\Error\Run->handleError(32, 'PHP Startup: Un...', 'Unknown', 0)
#1 [internal function]: WHMCS\Utility\Error\Run->handleShutdown()
#2 {main}

Environment

• CloudLinux 6/7/8
• cPanel

Solution

Please make sure that the "pdo_sqlsrv" module is not defined in the global alt-php.ini file:

/opt/alt/phpXX/etc/php.ini