problems validation image

PHP Code:

$rules = [
                'image' => 'uploaded[image]|max_size[image,4096]|ext_in[image,png,jpg,gif,webp]',
                'contact_id' => 'required'
            ];
            if (!$this->validate($rules)) {

                return $this->respond([
                    'error' => $this->validator->getErrors(),
                    'success' => false
                ], ResponseInterface::HTTP_NOT_ACCEPTABLE, lang('Common.api.validation'));

            } 


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