Fatal error: Uncaught Error: Class 'Mantum_Consultas' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Mantum\Observer\Observer.php:164
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Mantum\Observer\Observer.php on line 164