Marking a LePage as ToC doesn’t work correctly

[hellerve]

I just tried making a LePage the table of contents using the button in the inspector. This is the error triggered by the button:

Now, whenever I select a page from that table of contents, this is what I get:

Cheers

[hellerve]

Nota bene: Clicking on the button again apparently seems to make it work correctly...

[girba]

This should work better now.