b4ee1ac99053f7fe09cbb1e6052e23e6 *gdbd87-07-12e01.shn eaecb3e4038cb564a21efdbfc5ba8377 *gdbd87-07-12e02.shn 193797c6aa15099439dcd931dfac2b54 *gdbd87-07-12e03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned