Extending product function with VBA : System Architect errors
  
System Architect errors
This section describes the errors generated by System Architect that can be trapped during code execution. It does not look at errors in the written code. An example of which is the Visual Basic error 91:
Object Variable or With block variable not set
where an instance of the variable has not been created.
See also
Handling errors
System Architect errors
Introduction to extending SA with VBA