When I have designed a custom page I am unable to save my custom filters in the widget layouts.
I have a custom filter to handle Assets:
If I try to modify the page, or save the updated layout I get a message that I need to fix and disable this filter, first:
Am I not allowed to save the custom filters of a designed of a custom page? Kind of the whole point of custom filters and designing a page to the way I want the information displayed.