Steps to reproduce:
- Create a new page using either a default template or user created template.
- Save the page.
You get the following error:
However the page does save; it appears the error is actually related to the page create status message. The browser console references line 8 of prototype.js with the following error:
Select "Continue and Save" will result in the same error but will return you to editing. Once the page is created subsequent saves do not result in an error.