Errors after upgrading Splunk from 8.1.5 to 9.0

[dm1]

I am getting the following error messages after  upgrading Splunk from 8.1.5 to 9.0.

The config its complaining about is part of the default/federated.conf so shouldn't be complaining in the first place.

 Invalid key in stanza [provider:splunk] in /opt/splunk/etc/system/default/federated.conf, line 18: appContext (value: search).
    Invalid key in stanza [provider:splunk] in /opt/splunk/etc/system/default/federated.conf, line 19: useFSHKnowledgeObjects (value: false).
    Invalid key in stanza [provider:splunk] in /opt/splunk/etc/system/default/federated.conf, line 20: mode (value: standard).
    Invalid key in stanza [general] in /opt/splunk/etc/system/default/federated.conf, line 23: needs_consent (value: true).