Ddd bug on macos Mojave 10.14.3

Hello,

$ ddd
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 <[email protected]<mailto:[email protected]>>, giving a subject like

    DDD 3.3.12 (i386-apple-darwin18.0.0) 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.

We thank you for your support.

ddd: Cannot save options
HansJurgensiPro:~ grehan$ cat .ddd/log
GNU DDD 3.3.12 (i386-apple-darwin18.0.0)
Copyright (C) 1995-1999 Technische Universit?t Braunschweig, Germany.
Copyright (C) 1999-2001 Universit?t Passau, Germany.
Copyright (C) 2001 Universit?t des Saarlandes, Germany.
Copyright (C) 2001-2009 Free Software Foundation, Inc.

Compiled with GCC 4.2.1 Compatible Apple LLVM 10.0.0 (clang-1000.11.45.2)
Requires X11R6, Xt11R6, Motif 2.3.8 (Motif Version 2.3.8)
Includes XPM 3.4.11, Athena Panner (7000002L), Manual, App defaults, DDD core
Built 2018-11-02 by (unknown).
$  ddd
!  Xt error: Unresolved inheritance operation
!  Xt error
!  Cannot save options
HansJurgensiPro:~ grehan$


Regards,

Hans