Error

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

Please contact quoting the following information:

URI: https://lib.sudigital.org/submit?doctype=DEMOPIC
Time: 09/Sep/2016:06:50:12 +0300
Browser: Mozilla/5.0 (compatible; archive.org_bot +http://www.archive.org/details/archive.org_bot)
Client: 207.241.229.150
Please send an error report to the Administrator.