Fatal error: Uncaught Error: Class 'Zend_Db_Adapter_Abstract' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\Db\Adapter\Mysqli.php:52
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\Db\Adapter\Mysqli.php on line 52