e1aab7036ccf584b8d5b839d34b0f2ef *gd70-12-23d1t01.shn a43b62ca107100271046860eef3e12b1 *gd70-12-23d1t02.shn d3494264bf437fc8906f06958ad8297b *gd70-12-23d1t03.shn 8370d8c14307e52ba48ab9eb5a218eea *gd70-12-23d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned