{
        $lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
        $exploded = explode(',', $lang)[0];

Cake\Error\ErrorTrap->handleError() /var/www/cplatform/public/app_rest/src/Controller/ProxyFrontendController.php, line 115
App\Controller\ProxyFrontendController->_getSimpleLang() /var/www/cplatform/public/app_rest/src/Controller/ProxyFrontendController.php, line 32
App\Controller\ProxyFrontendController->getData() /var/www/cplatform/public/app_rest/vendor/freefri/cake-rest-api/src/Controller/RestApiController.php, line 212
RestApi\Controller\RestApiController->_main() /var/www/cplatform/public/app_rest/vendor/freefri/cake-rest-api/src/Controller/RestApiController.php, line 171
RestApi\Controller\RestApiController->main() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Controller/Controller.php, line 501
Cake\Controller\Controller->invokeAction() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Controller/ControllerFactory.php, line 166
Cake\Controller\ControllerFactory->handle() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Controller/ControllerFactory.php, line 141
Cake\Controller\ControllerFactory->invoke() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/BaseApplication.php, line 362
Cake\Http\BaseApplication->handle() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Runner.php, line 86
Cake\Http\Runner->handle() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Routing/Middleware/RoutingMiddleware.php, line 117
Cake\Routing\Middleware\RoutingMiddleware->process() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Middleware\BodyParserMiddleware->process() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /var/www/cplatform/public/app_rest/vendor/freefri/cake-rest-api/src/Lib/GzipRequestMiddleware.php, line 39
RestApi\Lib\GzipRequestMiddleware->process() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Routing/Middleware/AssetMiddleware.php, line 79
Cake\Routing\Middleware\AssetMiddleware->process() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Error/Middleware/ErrorHandlerMiddleware.php, line 115
Cake\Error\Middleware\ErrorHandlerMiddleware->process() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Runner.php, line 82
Cake\Http\Runner->handle() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Runner.php, line 60
Cake\Http\Runner->run() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Server.php, line 104
Cake\Http\Server->run() /var/www/cplatform/public/app_rest/webroot/index.php, line 43
[main]

            $message = "Unable to emit headers. Headers sent in file={$file} line={$line}";
            trigger_error($message, E_USER_WARNING);
        }

Cake\Error\ErrorTrap->handleError() [internal], line ??
/var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 65
Cake\Http\ResponseEmitter->emit() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Server.php, line 148
Cake\Http\Server->emit() /var/www/cplatform/public/app_rest/webroot/index.php, line 43
[main]

        $reasonPhrase = $response->getReasonPhrase();
        header(sprintf(
            'HTTP/%s %d%s',

Cake\Error\ErrorTrap->handleError() [internal], line ??
/var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 159
Cake\Http\ResponseEmitter->emitStatusLine() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 68
Cake\Http\ResponseEmitter->emit() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Server.php, line 148
Cake\Http\Server->emit() /var/www/cplatform/public/app_rest/webroot/index.php, line 43
[main]

            foreach ($values as $value) {
                header(sprintf(
                    '%s: %s',

Cake\Error\ErrorTrap->handleError() [internal], line ??
/var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 192
Cake\Http\ResponseEmitter->emitHeaders() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/ResponseEmitter.php, line 69
Cake\Http\ResponseEmitter->emit() /var/www/cplatform/public/app_rest/vendor/cakephp/cakephp/src/Http/Server.php, line 148
Cake\Http\Server->emit() /var/www/cplatform/public/app_rest/webroot/index.php, line 43
[main]