Athena NGFW (previously known as Network Secure) provides comprehensive protection for every network perimeter, ensuring the safety of your valuable assets, data, and users from emerging threats.
If the error (code: 0004-0002) appears after the pre-upgrade check, go to Objects > Network Objects > Network Objects and check if any custom network object is named All or private-network(case-sensitive). Delete these custom network objects or rename them, then reinstall the pre-upgrade check package.