3f4830a9714b890a9a74b279d53ff50c *um2003-09-10d2t01.shn 08d6c5220ad7cf49237f01c523071467 *um2003-09-10d2t02.shn 91168e62a6270349fd4c4bc782191865 *um2003-09-10d2t03.shn 7a9a9f7872de9a0eb0862b2947ae5146 *um2003-09-10d2t04.shn 29c9bf8e3c059244608e1e4a833ba6d3 *um2003-09-10d2t05.shn 4ac6bda81086b4239d493afe7ba567a6 *um2003-09-10d2t06.shn b702e3efb05baba6a23120d385caebc6 *um2003-09-10d2t07.shn 344621fae6ae3bd493c275c41e3fa000 *um2003-09-10d2t08.shn 95c9d1195e66e051d7fcc8f062a61973 *um2003-09-10d2t09.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned