Cannot read property ‘stringify’ of undefined?
Uncaught TypeError: Cannot read property 'stringify' of undefined ws_plugin__s2member_menu_pages_js
I also get Server Error 500 when attempting to load images brand-xlink.png & add-icon.png.
500 (or other) error status too.
That would explain why you are seeing the
Please see: How to Correct 500 Internal Server Errors