6e027e159d1ae3190c7cabe8708061ee bt1991-09-29d1t01.shn 85980d74a9c46e84dd4f6db7d9a7e472 bt1991-09-29d1t02.shn c8e992153b97d526ad265a1379db22bf bt1991-09-29d1t03.shn 5fece3eeb8f9332398019107d3d45b70 bt1991-09-29d1t04.shn 95f1f17a1839819efc308592d369e5f5 bt1991-09-29d1t05.shn a6fefd411cb4c07101165ebadd2d0350 bt1991-09-29d1t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned