Conflict with plugin WP Directorybox Manager
E-mail Notifications see image 1
When I save form always creted new Notifications see image 2
and show
This form will auto-generate the password for the new user.
In order for the user to receive the password, you need to create a notification which will include that password.
How to create notifications for sending passwords
I installed the copy of your site locally but couldn't log in, but I was able to retrieve the plugin files from the backup archive and installed those on a clean test site.
I can see the issue with the page to create a new CRED form not functioning correctly when the wp-directorybox-manager plugin is active.
I have escalated this thread so that my colleagues can take a look to see if they can identify the source of the problem.
My colleague in second tier found the same as yourself, that the issue is caused by this JavaScript in the file \plugins\wp-directorybox-manager\shortcodes\class-shortcodes.php