- You will not be able to add more users and will be prompted to upgrade your subscription to increase the user limit for your workspace - learn more here.
- Alternatively, you can consider purchasing a user add-on to increase your subscription's user limit - learn more here.
- Lastly, you can remove users (registered or invited) from your workspace to bring down the total number of users under your user limit, allowing you to continue adding new users.
See also - How to check your workspace's user count and user limit?