In the settings section you can create custom pipelines. If for some reason you are not able to do that, then it is possible that you are in a staff account. Staff are unable to create custom pipelines themselves.

However, if you are on the main user account then you can create pipelines that will be shared to your other staff accounts. This means that you should create all your funnel types on the main user account, then your staff will be able to use them in their own marketing.