db969fe8dfb95730c66c6be5d90635db dmb2005-08-12-d2t01.shn 4acc1dcd86db0f0559d3b51af5122cb1 dmb2005-08-12-d2t02.shn e511ab3c3f23f4ca9d97880441f79475 dmb2005-08-12-d2t03.shn 2590142ec0b6ed60144db68de453a515 dmb2005-08-12-d2t04.shn a355742c67b44a95b75b0dccd6756073 dmb2005-08-12-d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned