b132c18c11a809b8e2932cef7070b274 *sci01-10-27d2t01.shn e1bacd2a9efd12e954bce49109ec95ff *sci01-10-27d2t02.shn 36acda8c15e673ff85667cd3a7031b8c *sci01-10-27d2t03.shn 3edb089663dffbe0efcefe03a58cec17 *sci01-10-27d2t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned