Xt error please help

[david davidov]

ddd ./a.out

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-darwin16.3.0) 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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