6053748af691e706a89b9219df24989e *slip01-07-09d2t01.shn d0792a193eaca81cd9f5ab9abc86d1ce *slip01-07-09d2t02.shn 407fe6ba625ccd6676478524371ee56e *slip01-07-09d2t03.shn 11edc9db1572bf627cced02677ac8fa9 *slip01-07-09d2t04.shn 1cbbdc506ec1f2bec66972919e24db9b *slip01-07-09d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned