TPS may continue prompting you to create a bag during the Map My Bag session because it only recognizes bags that have been created and populated with clubs in the Trackman Golf App on your phone. If your bag has not been set up correctly in the app, TPS will not detect it and may ask you to create a new one.
Please follow the steps in this article to create your bag (or add clubs to it) in the Trackman Golf App: