[Zope] Trying to get tree working

[Dieter Maurer]

Frans C.H. Schneider writes:
 > ...
 > <dtml-let ps_comp=ps_par>
 > <dtml-tree id=ps_comp branches_expr="ps_childLookup(ps_par=ps_comp)">
 >  <b><dtml-var ps_comp></b> <dtml-var ps_start>
 > </dtml-tree>
 > </dtml-let>
 > 
 > 
 > It works for the first time but when I try to expand it I get a key error on
 > ps_par.
 > 
 > What goes wrong??
I do not have an answer for your question.

But you should get a traceback and this traceback should tell you
where the "KeyError" is detected. This may give you a hint...


Dieter