Error

Unable to find document type.DEMOPIC exceptions.AttributeError FieldStorage instance has no attribute 'add_field'

Please contact admin@sudigital.org quoting the following information:

URI: http://lib.sudigital.org/submit?doctype=DEMOPIC
Time: 25/Jun/2017:10:03:06 +0300
Browser: CCBot/2.0 (http://commoncrawl.org/faq/)
Client: 54.158.63.41

Please send an error report to the Administrator.