fcb63060ea5cfcbe414b5086fd4cfb81 *RW2C03-05-01d3t04.shn 7ee4ac75d4a19330fd22be725b2287ed *RW2C03-05-01d3t02.shn 181f3f2ca85f1e22a0bd804e933b8edf *RW2C03-05-01d3t03.shn 6aec66f9c28d76ee1afb3f7086c1c4ed *RW2C03-05-01d3t01.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned