The "URL has already been taken" error message shows up when you are trying to add the same URL that you already track on your account. In Nightwatch, you can achieve all the data tracking by adding a URL once and create different keywords views to separate them.

Please do reach out to support via our in-app chat at the bottom-right corner, or email us at [email protected] to bring up your specific use-case scenario, and we will provide you with solutions or suggestions.