86c269aaf4bda8011b3ca43864f08560 *db1999-08-21d3t01.shn 29db8e0438eb3d1056eba39f38decc64 *db1999-08-21d3t02.shn 924b232358cf878b8dc0a538738cd069 *db1999-08-21d3t03.shn 4691a0365ec0796cf18227b581213b83 *db1999-08-21d3t04.shn 25033f54298fd350198e8568a0970971 *db1999-08-21d3t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned