Running version: 1.4.2.42#dev
Python version: 2.7.17
Operating system: Linux-5.4.0-kali4-amd64-x86_64-with-Kali-kali-rolling-kali-rolling
Command line: /usr/bin/sqlmap -u ********************************************** --data=****************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************** --threads 1 --hex --random-agent --dbs -v 3
Technique: ERROR
Back-end DBMS: eXtremeDB (identified)

Traceback (most recent call last):
  File "sqlmap", line 215, in main
    start()
  File "/share/sqlmap/lib/core/decorators.py", line 75, in _
    result = f(*args, **kwargs)
  File "/share/sqlmap/lib/controller/controller.py", line 697, in start
    action()
  File "/share/sqlmap/lib/controller/action.py", line 33, in action
    setHandler()
  File "/share/sqlmap/lib/controller/handler.py", line 173, in setHandler
    if conf.forceDbms == dbms or handler.checkDbms():
  File "/share/sqlmap/plugins/dbms/extremedb/fingerprint.py", line 69, in checkDbms
    result = inject.checkBooleanExpression("signature(NULL)=usignature(NULL)")
  File "/share/sqlmap/lib/request/inject.py", line 540, in checkBooleanExpression
    return getValue(expression, expected=EXPECTED.BOOL, charsetType=CHARSET_TYPE.BINARY, suppressOutput=True, expectingNone=expectingNone)
  File "/share/sqlmap/lib/core/decorators.py", line 91, in _
    result = f(*args, **kwargs)
  File "/share/sqlmap/lib/core/decorators.py", line 75, in _
    result = f(*args, **kwargs)
  File "/share/sqlmap/lib/request/inject.py", line 450, in getValue
    value = errorUse(forgeCaseExpression if expected == EXPECTED.BOOL else query, dump)
  File "/share/sqlmap/lib/techniques/error/use.py", line 454, in errorUse
    value = _errorFields(expression, expressionFields, expressionFieldsList)
  File "/share/sqlmap/lib/techniques/error/use.py", line 247, in _errorFields
    output = NULL if emptyFields and field in emptyFields else _oneShotErrorUse(expressionReplaced, field)
  File "/share/sqlmap/lib/techniques/error/use.py", line 118, in _oneShotErrorUse
    nulledCastedField = agent.nullAndCastField(field)
  File "/share/sqlmap/lib/core/agent.py", line 468, in nullAndCastField
    nulledCastedField = self.hexConvertField(nulledCastedField)
  File "/share/sqlmap/lib/core/agent.py", line 414, in hexConvertField
    hexField = rootQuery.hex.query % field
AttributeError: 'DictObject' object has no attribute 'query'