New GD Post Category added

Hello,

I am reorganizing one of my GD CPTs. I am editing every post removing all its categories except one and added a MultiSelect custom field.

I notice that every post I edit adds a new category “Opcional” which is not set in the GD CPT categories.

Is this correct?

One of the attached screenshots shows the list of posts being edited, the first three posts have been edited and result in having set the categories “Opcional” and “Tots”, while the fourth and all the following non-visible posts have not yet been edited and show the original categories “Ruta Tapes” and “Tots”.

The second screenshot shows that the category “Opcional” does not exist in the list of the GD CPT categories.

I look forward to your reply.

Thank you very much for your attention.

Best regards.