Error saving: Cannot access disposable object

Save error on exiting the editor

error: Error Saving - Saving failed! An exception happened exception: System.ObjectDisp -
Json debug: 2023-07-12T12:21:16.135 Info Started serializing BiomeCompoundProperties. Path ' -

This is basically the same as this issue:

Though in this case the incorrectly disposed object is a floating chunk rather than a microbe.