Thanks, Dieter ~
Aided by the hints you gave, I have bumbled across the cause and the
apparent solution of the problem, which I report for the benefit of others
who may suffer from it.
The cause: The cookies "dtpref_rows" and "dtpref_cols" were stored in my
browser with no values. (I have no idea how that happened.)
The apparent solution: Deleting those cookies from the browser fixed both
of my ZMI display problems. I note that Zope has repopulated those cookies,
which how have values "20" and "100%", respectively.
I call the solution "apparent" only because I don't know what caused the
cause, so I don't know when/if it may recur.
> -----Original Message-----
> From: Dieter Maurer [mailto:[EMAIL PROTECTED]
> Sent: Saturday, September 29, 2007 1:33 PM
> To: Ken Winter
> Cc: 'Zope List'
> Subject: RE: [Zope] Problems with my ZMI
> Ken Winter wrote at 2007-9-28 12:47 -0400:
> >Sorry; forgot about sending the whole traceback.
> Sad that DTML is not yet popped up to provide useful tracebacks :-((
> > ...
> >User Name
> > admin (admin)
> >Request URL
> >Exception Type
> > IndexError
> >Exception Value
> > string index out of range
> >Traceback (innermost last):
> > * Module ZPublisher.Publish, line 115, in publish
> > * Module ZPublisher.mapply, line 88, in mapply
> > * Module ZPublisher.Publish, line 41, in call_object
> > * Module Shared.DC.Scripts.Bindings, line 311, in __call__
> > * Module Shared.DC.Scripts.Bindings, line 348, in _bindAndExec
> > * Module App.special_dtml, line 176, in _exec
> > * Module DocumentTemplate.DT_With, line 76, in render
> > * Module DocumentTemplate.DT_Let, line 76, in render
> > * Module DocumentTemplate.DT_Util, line 196, in eval
> > __traceback_info__: cols
> > * Module <string>, line 0, in ?
> >IndexError: string index out of range
> Unfortunately, we do not see much from this traceback.
> Let's see what I can extract:
> The problem is probably in "ZPythonScriptHTML_editForm".
> In it, you see on top level a "dtml-with" with a nested
> "dtml-let". Probably in the "let", you have
> an expression "cols[<some index>]".
> "cols" contains a string and "<some index>" is out of range.
> >Display traceback as text
> >-C ''
> >wstyle ''
> >dtpref_rows ''
> >dtpref_cols ''
> This may be an indication "dtpref_cols" is empty.
> Maybe, this should not be so?
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