Fatal error: Uncaught exception 'Exception' with message 'internal_error' in /www/quain/htdocs/libreria/mercadopago.php:339 Stack trace: #0 /www/quain/htdocs/libreria/mercadopago.php(348): MPRestClient::exec('POST', '/oauth/token', 'client_id=65228...', 'application/x-w...') #1 /www/quain/htdocs/libreria/mercadopago.php(48): MPRestClient::post('/oauth/token', 'client_id=65228...', 'application/x-w...') #2 /www/quain/htdocs/libreria/mercadopago.php(208): MP->get_access_token() #3 /www/quain/htdocs/modulos/productos/productos.php(119): MP->get('/v1/payment_met...') #4 /www/quain/htdocs/index.php(199): require('/www/quain/htdo...') #5 {main} thrown in /www/quain/htdocs/libreria/mercadopago.php on line 339