Fatal error: Uncaught Error: Interface 'InterfazDataSource' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\aplicaciones\modulos\interfaces\modelo\_clases\InterfazDataBd.php:7 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\aplicaciones\modulos\interfaces\modelo\_clases\InterfazDataBd.php on line 7