Traceback (most recent call last):

 "/Users/dereklambert/Library/Python/3.6/lib/python/site-packages/sqlalchemy/orm/mapper.py", line 1922, in get_property
return self._props[key]KeyError: '_groups'
Traceback (most recent call last):

 "sqlmap.py", line 143, in main
start()

 "lib/controller/controller.py", line 633, in start
action()

 "lib/controller/action.py", line 124, in action
conf.dbmsHandler.dumpTable()

 "plugins/generic/entries.py", line 193, in dumpTable
entries = inject.getValue(query, blind=False, time=False, dump=True)

 "lib/request/inject.py", line 384, in getValue
value = _goUnion(forgeCaseExpression if expected == EXPECTED.BOOL else query, unpack, dump)

 "lib/request/inject.py", line 329, in _goUnion
output = unionUse(expression, unpack=unpack, dump=dump)

 "lib/techniques/union/use.py", line 215, in unionUse
output = _oneShotUnionUse(_, False)

 "lib/techniques/union/use.py", line 108, in _oneShotUnionUse
root = xml.etree.ElementTree.fromstring("<root>%s</root>" % output)

 "lib/xml/etree/ElementTree.py", line 1300, in XML
parser.feed(text)

 "lib/xml/etree/ElementTree.py", line 1640, in feed
self._parser.Parse(data, 0)UnicodeEncodeError: 'ascii' codec can't encode characters in position 18-19: ordinal not in range(128)