{"error":"A required parameter (firstname) was missing","errorcode":"missingparam","stacktrace":"* line 494 of \/lib\/setuplib.php: moodle_exception thrown\n* line 568 of \/lib\/moodlelib.php: call to print_error()\n* line 17 of \/local\/emiapi\/guestemiuser.php: call to required_param()\n","debuginfo":"\nError code: missingparam","reproductionlink":"https:\/\/kdiscdev.itrackglobal.com\/"}