To report a bug or suggest an enhancement, log in to the OMNeT++ Bugtracker, and click Report Issue. Create an account if you do not have one (anonymous bug reporting is not supported). Before submitting the bug report, please check that the problem was not reported before by someone else.
OMNeT++ Bugtracker
If you haven’t submitted a bug report before, please read the following pages carefully:
The OMNeT++ IDE is based on Eclipse and CDT. Before you report a non-simulation related bug, please check the Eclipse bugtracker first:
Also, if you are reporting an issue with the IDE, it might be useful to
include the log. It is located at <your-workspace>/.metadata/.log, by
default omnetpp/samples/.metadata/.log.