Dingo\Api\Exception\Handler::genericResponse PHP Method

    protected function genericResponse(Exception $exception)
    {
        $replacements = $this->prepareReplacements($exception);
        $response = $this->newResponseArray();
        array_walk_recursive($response, function (&$value, $key) use($exception, $replacements) {
            if (starts_with($value, ':') && isset($replacements[$value])) {
                $value = $replacements[$value];
            }
        });
        $response = $this->recursivelyRemoveEmptyReplacements($response);
        return new Response($response, $this->getStatusCode($exception), $this->getHeaders($exception));
    }