Fatal error: Uncaught Error: Undefined constant "API_BASE_URL" in /www/wwwroot/tiyanguan/php-project/user/pages/stores.php:5 Stack trace: #0 /www/wwwroot/tiyanguan/php-project/user/index.php(317): include() #1 {main} thrown in /www/wwwroot/tiyanguan/php-project/user/pages/stores.php on line 5