Error when printing error

Looks like the error code is buggy.

15:03:00,290 CRITICAL anaconda: anaconda 13.42 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.6/site-packages/snack.py", line 225, in __init__
    self.w = _snack.textbox(width, height, text, scroll, wrap)
  File "/usr/lib/anaconda/text.py", line 309, in detailedMessageWindow
    lt = Textbox(60, 6, longText, scroll=1, wrap=1)
  File "/usr/lib/anaconda/kickstart.py", line 123, in run
    intf.detailedMessageWindow(_("Scriptlet Failure"), msg, err)
  File "/usr/lib/anaconda/kickstart.py", line 1282, in <lambda>
    map (lambda s: s.run(anaconda.rootPath, flags.serial, anaconda.intf), postScripts)
  File "/usr/lib/anaconda/kickstart.py", line 1282, in runPostScripts
    map (lambda s: s.run(anaconda.rootPath, flags.serial, anaconda.intf), postScripts)
  File "/usr/lib/anaconda/dispatch.py", line 205, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 126, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/text.py", line 659, in run
    anaconda.dispatch.gotoNext()
  File "/usr/bin/anaconda", line 1223, in <module>
    anaconda.intf.run(anaconda)
TypeError: argument 3 must be string, not list

Cheers,
Edward