Fatal error: Uncaught MercadoPagoException: Peer's Certificate issuer is not recognized. in /var/www/html/colecaovirtual/lib/mercadopago/mercadopago.php:426 Stack trace: #0 /var/www/html/colecaovirtual/lib/mercadopago/mercadopago.php(470): MPRestClient::exec(Array) #1 /var/www/html/colecaovirtual/lib/mercadopago/mercadopago.php(49): MPRestClient::post(Array) #2 /var/www/html/colecaovirtual/lib/mercadopago/mercadopago.php(178): MP->get_access_token() #3 /var/www/html/colecaovirtual/lib/mercadopago/mercadopago-test.php(17): MP->create_preference(Array) #4 {main} thrown in /var/www/html/colecaovirtual/lib/mercadopago/mercadopago.php on line 426