I can't upgrade firmware from 220.127.116.11 to 7.0.2 version.
while running test firmware, below error shown:
Firmware upgrade test failed. Do not upgrade.
Validating upgrade path...
Upgrade is allowed; old='scb-core-7.0_18.104.22.168-22.214.171.124', new='scb-core-7.0_7.0.2-7.0.2'
Checking requirements for XML database upgrade.
Some configuration settings and accepted values will change. As a result, you have to modify the following parts of the configuration before attempting to upgrade
Make sure to correct these in your configuration before starting the upgrade process.
Upgrade preconditions failed for XML database.
Message: Invalid configuration
Details: nnx.validator.ValidatorFailed: Validator 'NamedValidator' failed with ValueError: b'' does not appear to be an IPv4 or IPv6 address; paths=, validator_name=NamedValidator, exc_type=ValueError, exc_value=b'' does not appear to be an IPv4 or IPv6 address, dbfile='/tmp/xml_check/test_config.xml'