23faff149d0debd25d3066a8eaa9cdd8 [shntool] db1999-03-12t01.shn 39ca36bfeb4e006417fc9d3b85c266e9 [shntool] db1999-03-12t02.shn 32d110babefd79d678af9496b02086a3 [shntool] db1999-03-12t03.shn 17d33a7af4993bc2329617ae23ad5b74 [shntool] db1999-03-12t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned