Mod_python error: "PythonHandler mod_python.publisher"

Traceback (most recent call last):

  File "/usr/lib/python2.3/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/usr/lib/python2.3/site-packages/mod_python/publisher.py", line 136, in handler
    result = util.apply_fs_data(object, req.form, req=req)

  File "/usr/lib/python2.3/site-packages/mod_python/util.py", line 361, in apply_fs_data
    return object(**args)

  File "/home/httpd/html/python/MDIP2.py", line 276, in doc
    docFrag = __get(uriStem + str(fragConf['id']) + '/')

  File "/home/httpd/html/python/MDIP2.py", line 656, in __get
    docFrag = minidom.parseString(rxdata.replace('&', '&').replace('&', '&'))

  File "/usr/lib/python2.3/site-packages/_xmlplus/dom/minidom.py", line 1918, in parseString
    return expatbuilder.parseString(string)

  File "/usr/lib/python2.3/site-packages/_xmlplus/dom/expatbuilder.py", line 940, in parseString
    return builder.parseString(string)

  File "/usr/lib/python2.3/site-packages/_xmlplus/dom/expatbuilder.py", line 223, in parseString
    parser.Parse(string, True)

ExpatError: not well-formed (invalid token): line 1, column 1778