1ec06f9e041a84ac2b50a4f8a3a58350 *um2002-02-26d2t02.shn 3f274561b4b3fbe0db8513460a550bc6 *um2002-02-26d2t01.shn ace18d4dd0f09ebc260ef111b6304fe5 *um2002-02-26d2t03.shn 1717450be111072fee58ff9c9e3b0271 *um2002-02-26d2t04.shn cce22ea8b576e198ee95b20c818ccfa1 *um2002-02-26d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned