Fatal error: Uncaught Error: Class 'Mantum_Error' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Mantum\DatabaseError.php:11
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Mantum\DatabaseError.php on line 11