Thank you for contacting WPML support. While you are waiting for one of my colleagues to take this ticket and work on it, let me provide you with first debugging steps or if I can perhaps help with the issue quickly.
Usually, when there's a "-2" at the end of a given URL, it's because there's an identical URL that was created before (even if it's in the trash bin). Please check if you have created priducts with the same name before. You can also check this ticket, where the another user had a similar issue: