DDD 3.3.12 (i386-apple-darwin10.8.0) Xt error (Unresolved inheritance operation)

[Adriaan van Os]

Last login: Sun Apr  2 18:13:03 on ttys001
P20:~ adriaan$ /opt/local/bin/ddd
Creating "/Users/adriaan/.ddd/"...
Creating "/Users/adriaan/.ddd/"...done.
Creating "/Users/adriaan/.ddd/sessions/"...
Creating "/Users/adriaan/.ddd/sessions/"...done.
Creating "/Users/adriaan/.ddd/themes/"...
Creating "/Users/adriaan/.ddd/themes/"...done.
Error: Unresolved inheritance operation

Xt error (Unresolved inheritance operation).

Oops!  You have found a bug in DDD.

If you can reproduce this bug, please send a bug report
to <address@hidden>, giving a subject like

    DDD 3.3.12 (i386-apple-darwin10.8.0) gets Xt error

To enable us to fix the bug, you should include the following information:
* What you were doing to get this message.  Report all the facts.
* The contents of the `~/.ddd/log' file as generated by this session.
Please read also the section "Reporting Bugs" in the DDD manual.

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