DDD 3.3.12 (i386-apple-darwin12.6.0) gets Xt error

RadosÅ‚aw Korzeniewski <[email protected]> Sat, 4 Jun 2016 12:04:50 +0200
Newsgroups gmane.comp.debugging.ddd.general
Message-ID <CAF_EmoAhwkC=Hb_iV7nyuD8cZ-+MrS5Mckuyo-k4rpbZU0xGmA@mail.gmail.com>
bash-3.2$ ddd
Warning: No type converter registered for 'String' to 'Orientation'
conversion.
Warning: No type converter registered for 'String' to 'Orientation'
conversion.
Warning: No type converter registered for 'String' to 'Orientation'
conversion.
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]>, giving a subject like

    DDD 3.3.12 (i386-apple-darwin12.6.0) 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
bash-3.2$  echo $DISPLAY
/tmp/launch-n0rEnT/org.macosforge.xquartz:0

XQuartz 2.7.9 (newest) on Mac OS X 10.8.5.

best regards
-- 
Radosław Korzeniewski
[email protected]
log (application/octet-stream, 598 B) - not displayed