On 02/02/12 10:19, Niels Dettenbach wrote: 
Am Donnerstag, 2. Februar 2012, 10:15:44 schrieb Matthew Moore:

For more detailed information about the error, please refer to the error
log.

It highly makes sense to do that (and i.e. post the details here) ;)
The output from zopectl fg is on the pastebin link:

http://pastebin.com/bhBp7AXf
It's quite a lot of output, so I didn't really want to post it to the list.  But here's a selection:

  1. 2012-02-01 16:02:16 ERROR root Exception while rendering an error message
  2. Traceback (most recent call last):
  3.   File "/usr/local/zope/lib/python/OFS/SimpleItem.py", line 223, in raise_standardErrorMessage
  4.     v = s(**kwargs)
  5.   File "/usr/local/instances/zope-voyager2/Products/CMFCore/FSPythonScript.py", line 108, in __call__
  6.     return Script.__call__(self, *args, **kw)
  7.   File "/usr/local/zope/lib/python/Shared/DC/Scripts/Bindings.py", line 311, in __call__
  8.     return self._bindAndExec(args, kw, None)
  9.   File "/usr/local/zope/lib/python/Shared/DC/Scripts/Bindings.py", line 348, in _bindAndExec
  10.     return self._exec(bound_data, args, kw)
  11.   File "/usr/local/instances/zope-voyager2/Products/CMFCore/FSPythonScript.py", line 164, in _exec
  12.     result = f(*args, **kw)
  13.   File "Script (Python)", line 16, in standard_error_message
  14.   File "/usr/local/zope/lib/python/Shared/DC/Scripts/Bindings.py", line 311, in __call__
  15.     return self._bindAndExec(args, kw, None)
  16.   File "/usr/local/zope/lib/python/Shared/DC/Scripts/Bindings.py", line 348, in _bindAndExec
  17.     return self._exec(bound_data, args, kw)
  18.   File "/usr/local/instances/zope-voyager2/Products/CMFCore/FSPageTemplate.py", line 195, in _exec
  19.     result = self.pt_render(extra_context=bound_names)
  20.   File "/usr/local/instances/zope-voyager2/Products/CMFCore/FSPageTemplate.py", line 134, in pt_render
  21.     result = FSPageTemplate.inheritedAttribute('pt_render')(
  22.   File "/usr/local/zope/lib/python/Products/PageTemplates/PageTemplate.py", line 104, in pt_render
  23.     tal=not source, strictinsert=0)()
  24.   File "/usr/local/zope/lib/python/TAL/TALInterpreter.py", line 238, in __call__
  25.     self.interpret(self.program)
  26.   File "/usr/local/zope/lib/python/TAL/TALInterpreter.py", line 281, in interpret
  27.     handlers[opcode](self, args)
  28.   File "/usr/local/zope/lib/python/TAL/TALInterpreter.py", line 735, in do_useMacro
  29.     macro = self.engine.evaluateMacro(macroExpr)
  30.   File "/usr/local/zope/lib/python/Products/PageTemplates/TALES.py", line 221, in evaluate
  31.     return expression(self)
  32.   File "/usr/local/zope/lib/python/Products/PageTemplates/Expressions.py", line 185, in __call__
  33.     return self._eval(econtext)
  34.   File "/usr/local/zope/lib/python/Products/PageTemplates/Expressions.py", line 173, in _eval
  35.     ob = self._subexprs[-1](econtext)
  36.   File "/usr/local/zope/lib/python/Products/PageTemplates/Expressions.py", line 127, in _eval
  37.     ob = restrictedTraverse(ob, path, getSecurityManager())
  38.   File "/usr/local/zope/lib/python/Products/PageTemplates/Expressions.py", line 286, in restrictedTraverse
  39.     o=t(REQUEST, name)
  40.   File "/usr/local/zope/lib/python/Products/Five/traversable.py", line 115, in __bobo_traverse__
  41.     raise AttributeError(name)
  42. AttributeError: main_template

The error_log that you can access through the management page is blank.  There's nothing in the syslogs/messages/apache logs.

Cheers,
-- 
Matthew Moore
Surgical Materials Testing Laboratory
System Administrator
Telephone: +44 (0)1656 752165
Email: matt@smtl.co.uk