3c4550b0adc4ad94e3d1f7a06c549fb6 *sci2001-08-03-d2t01.shn 66e3f91f2616d26257b2ff81c5b55c14 *sci2001-08-03-d2t02.shn e149b71285edb9f69b6f594e8ed3a6bc *sci2001-08-03-d2t03.shn fb5a8f50128dde90d41b9a6cf3bf4ffc *sci2001-08-03-d2t04.shn d29b8b21fd027a5153cf30598edbc538 *sci2001-08-03-d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned