Path_selector widget does not update the path


I am developing an interactive app on Open OnDemand and I would like to use the path_selector widget, but unfortunately it does not work, in particular once selected the path it do not complete the form.

Inspecting the interactive app through the browser developer tools I get a message and an error:

The message correspond to the following line of html page:

While the error correspond to the following line:

How can I fix the problem to properly use the “path_selector” widget?



PS I am using Open OnDemand 3.1 version

Can you share your form.yml? Also do you have any form.js that may conflict with this? I think you can ignore those errors, though we should fix them.