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Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\stocpdv\admin_download\view\editar_usuarios.php on line 2

Fatal error: Uncaught Error: Class 'Usuario' not found in C:\xampp\htdocs\stocpdv\admin_download\view\editar_usuarios.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\stocpdv\admin_download\view\editar_usuarios.php on line 5