Hi Robert, Can you tell us how did you remove the subclasses? Was it through the UI? Which option? Or was it programatically? Can you reproduce it?
G > El 8 ene 2022, a las 18:25, Robert Briggs via Pharo-users > <pharo-users@lists.pharo.org> escribió: > > Hi > > I currently have a problem that I am unable to resolve. > > I am working on a personal project. > > I created a Class ‘ERAElement’ and four subclasses: ‘Component’, > ‘CriticalIssue’, ‘Decision’ and ‘Requirement’. > > A while ago I removed he subclass Component, and naturally Pharo will not let > me create an instance of this subclasses. However it is still listed in the > ERAElement subclass collection. As shown below. > <image001.png> > > > I can test for existence of each subclass as shown below: > <image002.png> > > However the same code will not accept Component as a possible value. > > <image007.png> > > I can even create a new Subclass Component and get two (different) subclasses > with the same name. > > Any thoughts as to what is going on and if so how to resolve the problem? > > Many thanks in advance for any and all feedback. > > Kind regards > Robert Briggs
