It seems like the issue you're facing is a bit uncommon. In order to help you better, we'll need to take a look at the files to identify the problem. Can you tell us if this character is one of our official models from Reallusion, or if it was imported into CC4 from an external source?
To get this resolved, you can submit a ticket to us and attach the files. Once we have the files, our team will look into the matter and provide the necessary assistance.