can i edit this? yes, i can!

can i still edit this? yes!

i can edit Sandbox2, but i cannot edit SandBox. What is going on here?

trying to edit SandBox, i get this error message:

Site Error An error was encountered while publishing this resource.

Error Type: TypeError? Error Value: ('object.__new__(PageTypeStxMath?) is not safe, use Persistence.Persistent.__new__()', <class 'Products.ZWiki.plugins.mathaction.pagetypes.PageTypeStxMath?'>, ())


still the same:

Sandbox2 is editable

SandBox is not