# unable to fetch the response from the backend: malformed MIME header: missing colon: "#4 {main}"

[lvwuwei]

unable to fetch the response from the backend: malformed MIME header: missing colon: "#4 {main}"

SERVER issue with server callback error="unable to fetch the response from the backend: malformed MIME header: missing colon: "#4 {main}""
[Web Server ] Sep 21 21:16:24 |ERROR | SERVER GET (502) /admin ip="176.191.129.xxx"
[PHP-FPM ] NOTICE: PHP message: PHP Fatal error: Uncaught Error: Call to undefined function Symfony\Component\Dotenv\putenv() in /www/wwwroot/xxx.fr/vendor/symfony/dotenv/Dotenv.php:204
[PHP-FPM ] Stack trace:
[PHP-FPM ] #0 /www/wwwroot/xxx.fr/vendor/symfony/dotenv/Dotenv.php(570): Symfony\Component\Dotenv\Dotenv->populate()
[PHP-FPM ] #1 /www/wwwroot/xxx.fr/vendor/symfony/dotenv/Dotenv.php(114): Symfony\Component\Dotenv\Dotenv->doLoad()
[PHP-FPM ] #2 /www/wwwroot/xxx.fr/config/bootstrap.php(16): Symfony\Component\Dotenv\Dotenv->loadEnv()
[PHP-FPM ] #3 /www/wwwroot/xxx.fr/public/index.php(7): require('...')
[PHP-FPM ] #4 {main}
[PHP-FPM ] thrown in /www/wwwroot/xxx.fr/vendor/symfony/dotenv/Dotenv.php on line 204

[Rafikooo]

Hello @lvwuwei, if you have any problems with your app, do not hesitate to ask our Slack community for help:
https://sylius-devs.slack.com

Greetings 💃