Why does installation of Red Hat Enterprise Linux 7.3 crash with a traceback while selecting Lithuanian as Language?

Issue

• Why does installation of Red Hat Enterprise Linux 7.3 crash with a traceback while selecting Lithuanian as Language?
• The traceback is as follows.

Truncated backtrace:
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/__init__.py", line 965, in _on_continue_clicked
    nextAction.refresh()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/hubs/__init__.py", line 333, in refresh
    self._createBox()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/hubs/__init__.py", line 126, in _createBox
    spoke = spokeClass(self.data, self.storage, self.payload, self.instclass)
  File "/usr/share/anaconda/addons/org_fedora_oscap/gui/spokes/oscap.py", line 193, in __init__
    self._unitialized_status = _("Not ready")
  File "/usr/share/anaconda/addons/org_fedora_oscap/gui/spokes/oscap.py", line 25, in <lambda>
    _ = lambda x: gettext.ldgettext("oscap-anaconda-addon", x)
  File "/usr/lib64/python2.7/gettext.py", line 540, in ldgettext
    codeset=_localecodesets.get(domain))
  File "/usr/lib64/python2.7/gettext.py", line 480, in translation
    t = _translations.setdefault(key, class_(fp))
  File "/usr/lib64/python2.7/gettext.py", line 180, in __init__
    self._parse(fp)
  File "/usr/lib64/python2.7/gettext.py", line 317, in _parse
    self.plural = c2py(plural)
  File "/usr/lib64/python2.7/gettext.py", line 93, in c2py
    raise ValueError, 'plural forms expression could be dangerous'
ValueError: plural forms expression could be dangerous