Internal Server Error

http://ngb.csac.anthropology.ac.uk/csac/NGB/AuthImage/do-login:

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Message: Must set a generator before adding transformer 'xslt' at [unknown location]

Description: org.apache.cocoon.ProcessingException: Must set a generator before adding transformer 'xslt' at [unknown location]

Sender: org.apache.cocoon.servlet.CocoonServlet

Source: Cocoon Servlet

Request URI

NGB/AuthImage/do-login
cause

org.apache.cocoon.ProcessingException: Must set a generator before adding transformer 'xslt' at [unknown location]
request-uri

/csac/NGB/AuthImage/do-login

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