Before we can dig in further, can you please go back to your original post and fill out as much information about your setup as possible? All of the information is crucial for the support team to have, to better help find you a solution!
A question for you - are there possibly two iTunes XML files in your watched folder? Can you please include a screenshot of your Settings>Storage?
If you could please include a step-by-step of your process ripping music from iTunes into Roon as well? that would be helpful to know.