Tell us what you are trying to do?
I have an existing site which I am trying to improve. One back-end design issue is that I used a repeating author field and a repeating author-address field separately instead of putting them together in a repeating field group.
This has worked fine for me, there are usually no more than 3 authors, however, the back end editor is not as 'pretty' as it should be since the author fields are shown first, then the address fields. If I had just made them a repeating field group in the beginning it would have been perfect (displaying author and address together in a repeating pattern). I guess there is no way of fixing this now that I have over a 1000 articles in my database with the associated author/address fields containing data?
I just did not see the repeating field group option when I did this about 10 years ago in Toolset.
That means as the feature is added before 5-6 years ago you did not able to see that before 10 years ago as it was not exists.
Regarding your query, yes, there is no way as you have too many posts already with content. If you want to still convert those repeating fields to repeating field groups it will require custom script that you will have to fire as current repeating field group is internally managed as one-to-many post relationship.
