Hi alchemy1. Thanks for joining the thread about converting Projects to Sub-customers. As explained by my colleague above, there's currently no process for converting Projects to Sub-customers, although you're able to do so visa versa. It's unclear from your question exactly how you encountered this error when you converted your Sub-customers to your Projects. If you'd like us to take a closer look into that for you, please don't hesitate to reach out to our tech support team. It's important for an agent to investigate this in order to get you back on track.
