[Zope] ZSyncer error: "illegal data at start of file"

[Kamal Gill]

Any ideas what might be causing the following error in ZSyncer?  We're  
running Zope 2.5.1 with ZSyncer 0.5.0-pre10 on Win2K.

     * Error
     * Syntax error at line 1: illegal data at start of file
     * Traceback (most recent call last):
       File  
"D:\PROGRA~1\MEDZOP~1\lib\python\DocumentTemplate\DT_Try.py", line 149,  
in render_try_except
       result = render_blocks(self.section, md)
       File  
"D:\PROGRA~1\MEDZOP~1\lib\python\DocumentTemplate\DT_Util.py", line  
159, in eval
       return eval(code, d)
       File "", line 0, in ?
       File  
"D:\PROGRA~1\MEDZOP~1\lib\python\Products\ZSyncer\ZSyncer.py", line  
205, in manage_compare
       File  
"D:\PROGRA~1\MEDZOP~1\lib\python\Products\ZSyncer\ZSyncer.py", line  
467, in _manage_compare_path
       File  
"D:\PROGRA~1\MEDZOP~1\lib\python\Products\ZSyncer\ZSyncer.py", line  
393, in _get_list
       File "D:\PROGRA~1\MEDZOP~1\lib\python\xmlrpclib.py", line 547, in  
__call__
       return self.__send(self.__name, args)
       File "D:\PROGRA~1\MEDZOP~1\lib\python\xmlrpclib.py", line 630, in  
__request
       request
       File  
"D: 
\PROGRA~1\MEDZOP~1\lib\python\Products\ZSyncer\xmlrpclibBasicAuth.py",  
line 65, in request
       return self.parse_response(file)
       File "D:\PROGRA~1\MEDZOP~1\lib\python\xmlrpclib.py", line 596, in  
parse_response
       p.feed(response)
       File "d:\Program Files\MedZopeDev/bin/lib\xmllib.py", line 168,  
in feed
       self.goahead(0)
       File "d:\Program Files\MedZopeDev/bin/lib\xmllib.py", line 259,  
in goahead
       self.syntax_error('illegal data at start of file')
       File "d:\Program Files\MedZopeDev/bin/lib\xmllib.py", line 794,  
in syntax_error
       raise Error('Syntax error at line %d: %s' % (self.lineno,  
message))
Error: Syntax error at line 1: illegal data at start of file

  - Kamal