Silverstripe Version: 4.3
I’m having issues adding child block elements to parent block elements when the child elements have inline_editable set to false. My parent block has 2 ElementArea fields for a LeftColumn and RightColumn - and in the CMS I can successfully add simple child blocks - namely, blocks that are inline editible. However, when I try to add a block that needs to load its own editor page (due to use of a gridfield to manage dataobjects), the app returns a 404 error to the browser 
I’ve tested these complex child blocks in regular Page ElementAreas and they work fine. Is what I"m doing even possible or should I just avoid this?