[Pharo-users] Programmatic generation of new class

[Brad Selfridge]

I'm trying to programmatically generate a new class, but am getting the
following error: 

DynamicDescriptorSystem class(Object)>>doesNotUnderstand:
#subclass:instanceVariableNames:classVariableNames:package:

This is the method that I'm trying to execute: 

buildNewDescriptorSystemUsing: aDescriptorSystemClassName

        descriptorSystem := 
        DynamicDescriptorSystem subclass: aDescriptorSystemClassName asSymbol
                        instanceVariableNames: ''
                        classVariableNames: ''
                        package: packageName asString

I see examples of this all over Pharo and I copied this code almost
verbatim. 

What am I doing wrong? 



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Brad Selfridge
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