Fatal error: Uncaught Error: Class 'Zend_Session_Validator_Abstract' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Session\Validator\HttpUserAgent.php:37
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Session\Validator\HttpUserAgent.php on line 37