{"error":"A required parameter (id) was missing","errorcode":"missingparam","stacktrace":"* line 620 of \/lib\/moodlelib.php: moodle_exception thrown\n* line 35 of \/badges\/image_author_json.php: call to required_param()\n","debuginfo":"\nError code: missingparam","reproductionlink":"http:\/\/moodle.ewca.gov.et\/"}