c58e366fc2a54bb6382a99ab8ccbeb8b *delf01-10-11d2t01.shn df6e54f69741d089d01e1c946f4c4038 *delf01-10-11d2t02.shn 260df56ac1e90850b16587dd57ceca49 *delf01-10-11d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned