If you are a Super Admin/Admin user or Custom Role user with admin permissions trying to access add/edit/delete functions for the first time, you will be required to enter Two Factor Authentication Code. If you try to access add/edit/delete functions in the next 30 minutes after validating the first Two Factor Authentication Code, you will not be required to enter Two Factor Authentication Code again for next 30 minutes.
You might be interested in the following questions
Which add/edit/delete functions require Two Factor Authentication Code?
Which add/edit/delete functions require Two Factor Authentication Code?
How can I verify my mobile number to receive Two Factor Authentication Code?
I am unable to verify my mobile number; how do I receive Two Factor Authentication Code?
My mobile number has changed; how do I update it to receive Two Factor Authentication Code?
My mobile number is updated and verified, but I am not getting a Two Factor Authentication Code?
I received multiple Authentication Codes, which one should I use for add/edit/delete functions?