The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
Error Message
Error 122: Invalid class type
The name of a defined object was invalid.
The name of an object cannot be the same as a parent
name. For example, the following will cause this error:
TYPE
my_name = OBJECT( my_name );