Fatal error: Uncaught exception 'Exception' with message 'quantity invalid' in /home/destinoandinotur/public_html/gwp/mercadopago/lib/mercadopago.php:422 Stack trace: #0 /home/destinoandinotur/public_html/gwp/mercadopago/lib/mercadopago.php(435): MPRestClient::exec('POST', '/checkout/prefe...', Array, 'application/jso...') #1 /home/destinoandinotur/public_html/gwp/mercadopago/lib/mercadopago.php(178): MPRestClient::post('/checkout/prefe...', Array) #2 /home/destinoandinotur/public_html/checkout.php(128): MP->create_preference(Array) #3 {main} thrown in /home/destinoandinotur/public_html/gwp/mercadopago/lib/mercadopago.php on line 422