Fatal error: Uncaught Error: Call to undefined function MercadoPago\json_decode() in /home2/amiamico/public_html/painel/composer/mercadopago/dx-php/src/MercadoPago/RestClient.php:206 Stack trace: #0 /home2/amiamico/public_html/painel/composer/mercadopago/dx-php/src/MercadoPago/RestClient.php(223): MercadoPago\RestClient->exec(Array) #1 /home2/amiamico/public_html/painel/composer/mercadopago/dx-php/src/MercadoPago/Config.php(146): MercadoPago\RestClient->get('/users/me') #2 /home2/amiamico/public_html/painel/composer/mercadopago/dx-php/src/MercadoPago/Config.php(112): MercadoPago\Config->getUserId('APP_USR-7951845...') #3 /home2/amiamico/public_html/painel/composer/mercadopago/dx-php/src/MercadoPago/Config/AbstractConfig.php(96): MercadoPago\Config->set('ACCESS_TOKEN', 'APP_USR-7951845...') #4 /home2/amiamico/public_html/painel/composer/mercadopago/dx-php/src/MercadoPago/SDK.php(45): MercadoPago\Config\AbstractConfig->configure(Array) #5 /home2/amiamico/public_html/painel/index.php(52): MercadoPago\SDK::setAccessToken('APP in /home2/amiamico/public_html/painel/composer/mercadopago/dx-php/src/MercadoPago/RestClient.php on line 206