0f1664ec49f81eecd038c2e194197342 *um2003-11-26d3t03.shn 1ef90ae0c75c52cd94aec0ad58dcd1c2 *um2003-11-26d3t01.shn 9d4a25061fa6603771477c3b3298a461 *um2003-11-26d3t02.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned