e7764011c3981af36700a3a843b164c0 *db2002-04-01d2t01.shn 84cb54c2a15a2829492e0560d12230e9 *db2002-04-01d2t02.shn 66354381320040d8d4b963d56d5fb2b8 *db2002-04-01d2t03.shn 39d28a1853f1405f1990f810f84b04ef *db2002-04-01d2t04.shn 3bccdf3ba3730ed82c86d0079022e4d5 *db2002-04-01d2t05.shn 190cb01aa5cfc827a4f1718d982658d9 *db2002-04-01d2t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned