COBCH1820 A STATIC class cannot inherit from another class or implement an interface
The program contains a static class, for example, a class that contains no instance members, that inherits from another class
or from an implement interface. This is not allowed.
Resolution:
Correct the code; then recompile.
Example:
In the following example, the B class inherits from another class, A.
class-id a.
end class.
class-id b static inherits type a.
end class.