I think i made this request already but can not find it in the forum: List Mapping Issue

I think i made this request already but can not find it in the forum: List Mapping Issue

For some reason I am having Issues with Zoho today. I am getting error messages.  For example I am trying to Map a list:

 

I was trying to Map Last Name: as you can see the Do not map message have not change even after moving on.

 

I deleted the list and try again and the issue continue to happen