can't seem to duplicate multiple fields. Save process doesn't seem to be working.

Hi, I was testing duplicating fields, and I see it is working fine:

Please check again, and let us know if the issue persist, also you may clear your browser´s cache.

Hi, sorry about mypreviews answer, you are trying to duplicate multiple fields at once, you may take a look at this guide "How to Manage Multiple Fields". I see it is saving without a problem: