327c3ea4446a92f0bc21cebd767f7469 *sci01-02-16-d3t02.shn fc0b739608e3b24786d0f6dbfcac2fe0 *sci01-02-16-d3t01.shn 31635c53a7e61f8b155479904af7c334 *sci01-02-16-d3t03.shn 9ec16abd108430c2f786ec0228e0d27b *sci01-02-16-d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned