Showing results for 
Search instead for 
Did you mean: 

Office 365 Nintex Forms "Input string not in the correct format"


When attempting to open a list item with a Nintex form published, the form errors with - "Input string not in the correct format".



  1. Open the Nintex Forms designer
  2. Export and save a copy of this form
  3. Delete the form
  4. Import the form through the designer and publishing.


Error Code

"Input string not in the correct format"


Additional Information

If this error is occurring via a Nintex Workflow, please check your Nintex Forms that are configured in the Nintex Workflow actions, such as "Assign a Task", and any Nintex Forms published to any content type on affiliated lists (including task lists) or libraries.

If step 1 doesn't work because the forms designer cannot be opened, see related links.


Related Links


Tags (2)
Version history
Revision #:
29 of 29
Last update:
‎11-27-2019 09:32 PM
Updated by: