Cannot submit fallback language

Found in

EPiServer.Forms 4.12.0

Fixed in

EPiServer.Forms 4.14.0

EPiServer.Forms 4.8.5

Created

May 17, 2018

Updated

Oct 15, 2018

Area

Core

State

Closed, Fixed and tested


Description

Steps to reproduce

1. Create a page (Page1) in two languages: en-US and en-CA.
2. Create a form in en-US called "Form 1" (not created on other languages).
3. Add elements: Text and Submit button to the form, and publish all.
4. Open Form1 and set Language Settings: en-CA as available languages, en-US as fallback language.
5. Add Form1 to Page1.
6. Disable Js in the browser.
7. Browse to Page1 in the en-CA language.
8. Enter data then submit.

Expected:
You can submit successfully.

Actual:
You cannot submit successfully, and there is no log.