Fatal error: Uncaught Error: Class "FTX\Api\HttpApi" not found in /home/julienke/www/sites/ftx3/vendor/vdbelt/ftx-php/src/Api/Markets.php:8 Stack trace: #0 {main} thrown in /home/julienke/www/sites/ftx3/vendor/vdbelt/ftx-php/src/Api/Markets.php on line 8