This error shows up in log and repeats a few times, I noticed it after packaging my project, altho packaging does not fail. This error must have been around for some time. (dont know if its 4.8 specific) What does this mean? Where does it come from? Whats a CDO? This error is a mystery to me… [201…

CDO means 'class default object . This ensure is caused by using Create Child Blueprint Class on a blueprint created from an empty actor. If your project packages and does not crash, you can safely ignore it, or you can try to locate which empty actor has had a child blueprint created from it. Good …

Ensure condition failed: !ActorCDO->bExchangedRoles

Development Programming & Scripting Blueprint

xhallix (xhallix) July 17, 2015, 2:39pm 3

I have same when starting debug editor