strange error regarding PDO

[Frank Vèssia]

Hello, I just copied a website on a new domain on the same VPS as I made hundreds of times, but this time I get this error regarding PDO support

	Fatal error: Exception: Required PDO class (database) not found - please add PDO support to your PHP. (in /home/public_html/wire/core/ProcessWire.php line 260) #0 /home/public_html/wire/core/ProcessWire.php(118): ProcessWire\ProcessWire->load(Object(ProcessWire\Config)) #1 /home/public_html/index.php(52): ProcessWire\ProcessWire->__construct(Object(ProcessWire\Config)) #2 {main} in /home/public_html/index.php on line 64

[kixe]

ProcessWire Namespace?