Issue
When trying to submit data using a New Responsive Form with Nintex Form for Office 365, the following error might occur:
Invalid data has been used to update the list item. The field you are trying to update may be read only.
Invalid data has been used to update the list item. The field you are trying to update may be read only.
Resolution
Verify that all the Lookup controls in the Form is connected to the List column.
