In this blog post, let’s learn about the error message “5135 An MVENABLED persistent class does not support polymorphic d” in InterSystems Cache & Ensemble and the description of the error message.
Error Message
5135 – An MVENABLED persistent class does not support polymorphic d
Error Details
An MVENABLED persistent class does not support polymorphic dispatch so you can not create a subclass ‘%1’ to the extent root class ‘%2’.