Fehlermeldung

Hello the list,
 I'm using Zope 2.8.8-final, python 2.3.5 and ZMS 2.8.1-a19 and don't 
want to upgrade nothing.
 When I go to manage_main in a special object ZMS send me an error 
message that I don't understand :
*Error Type: NameError*
*Error Value: global name 'eNotFound' is not defined

 *What am I doing wrong? I don't understand this message, it's like a 
function that does not work ...

Thank you in advance for your advices.
Best regards.
Jean Tinguely Awais.

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fn:Jean Tinguely Awais
n:Tinguely Awais;Jean
org:Artification AG;Web
adr:;;Hubelweg 5;Herzogenbuchsee;;3360;Switzerland
email;internet:[email protected]
title:Associate
tel;work:062/961.07.07
url:http://www.artification.com
version:2.1
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