Unknown SQL engine

Problem:After installing the FreePBX,admin page show  the following message:

FATAL ERROR

Unknown SQL engine: []

Trace Back

/var/www/html/admin/common/db_connect.php:57 die_freepbx()

[0]: Unknown SQL engine: []

/var/www/html/admin/bootstrap.php:75 require_once()

[0]: /var/www/html/admin/common/db_connect.php

/var/www/html/admin/config.php:61 require()

[0]: /var/www/html/admin/bootstrap.php

Solution:vim +231 /etc/httpd/conf/httpd.confchange User apache and Group apache to User asterisk and Group asterisk.
vim +327 /etc/httpd/conf/httpd.confchange None to All.
or use sed to replace.
sed -i '231,232s/apache/asterisk/i;327s/none/All/i' /etc/httpd/conf/httpd.confRestart apache service.
service httpd restart

================================================================