cdf3aa2f99c5d443efaafcd6eb7708c0 *kdtu2002-04-20d1t01.shn e60b7e571a094db9f19db16b95a9bc2d *kdtu2002-04-20d1t02.shn a4c176d3a2e17633289c55ab51b1a6ee *kdtu2002-04-20d1t03.shn 0d3bfb9a9633e6eeee21a53e46692dff *kdtu2002-04-20d1t04.shn 2afb73a56dc7fce87b3b8f476b6fccd1 *kdtu2002-04-20d1t05.shn 566e5482153556e10818b2a847a8d6e2 *kdtu2002-04-20d1t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned