php - Fatal error: Uncaught exception 'Zend_Db_Adapter_Exception' with message 'The PDO extension is required for this adapter but the ext

Question

I've got my system working on the server on subdomain.domain.com but when i put it on domain.com gives me that error?

Subdomain.domain.com and domain.com are on the same server.

What to do?

Fatal error: Uncaught exception 'Zend_Db_Adapter_Exception' with message 'The PDO extension is required for this adapter but the extension is not loaded' in /home/take/public_html/google.bg/library/Zend/Db/Adapter/Pdo/Abstract.php:342

Stack trace:

#0 /home/take/public_html/google.bg/library/Zend/Db/Adapter/Abstract.php(247): Zend_Db_Adapter_Pdo_Abstract->setFetchMode(2) 
#1 /home/take/public_html/google.bg/library/Zend/Db.php(270): Zend_Db_Adapter_Abstract->__construct(Array) 
#2 /home/take/public_html/google.bg/library/Zend/Application/Resource/Db.php(142): Zend_Db::factory('PDO_MYSQL', Array) 
#3 /home/take/public_html/google.bg/library/Zend/Application/Resource/Db.php(154): Zend_Application_Resource_Db->getDbAdapter() 
#4 /home/take/public_html/google.bg/library/Zend/Application/Bootstrap/BootstrapAbstract.php(683): Zend_Application_Resource_Db->init() 
#5 /home/take/public_html/google.bg/library/Zend/Application/Bootstrap/BootstrapAbstract.php(629): Zend in /home/take/public_html/google.bg/library/Zend/Db/Adapter/Pdo/Abstract.php on line 342