Hello, My Responsive Nintex (O365) form does not save user’s input in SharePoint List or nintex form.

The users have Contribute permission.

Users had checked the checkboxes and saved the form. I don’t see any error on form or workflow. 
Some information from form have been saved but I cannot see any diference from one panel  and secton to the other, they have exactly the same structure and no error or warning message at all.