You need to disable all integrations with CB. So if you've K2 installed turn off its CB integraiton. If Kunena is installed also turn its integration off.
Please Log in or Create an account to join the conversation.
If you don't have either then they're not installed and that step won't be an issue for you.How do we know if there any installed? We don't use K2 or Kunena.
It's not always a matter of something being installed. For example in K2 the CB integration is a single configuration parameter, but as you don't have K2 installed you're fine.I have included what we show installed when searching CB or Community in Extensions > Manage:
Please Log in or Create an account to join the conversation.
Please Log in or Create an account to join the conversation.
Please Log in or Create an account to join the conversation.
Please Log in or Create an account to join the conversation.
Please Log in or Create an account to join the conversation.