Getting error only when inspector is looking at array

Unity Engine
,
1

I have a chain of inherited classes, and I have an array of baseClass

they are all [Serializable]

whenever I do baseClass[×] = inheritedClass, everything works fine

however, if I touch the object in the hierarchy that has a reference to baseClass[ ], during playmode,

Im getting the following error:

ArrayTypeMismatchException: Attempted to access an element as a type incompatible with the array.
(wrapper stelemref) System.Object.virt_stelemref_class_small_idepth(intptr,object)

if I dont open the inspector everything works correctly

This doesnt really bother me because the code is working correctly, its just extremely annoying that I have to be careful about what object I have selected in the inspector

2

Is the base class array marked with [SerializeReference]?

Other than that, without seeing the code (the entire chain) we can’t tell if there’s anything wrong with it.

3

the issue was that the fields can never be set to null, instead always a vanilla class