sqlmap version: 1.0-dev-nongit-20151109
Python version: 2.7.10
Operating system: nt
Command line: sqlmap.py --url=******************************************************************** --data=txtB_NRIC=+840912086778+&submit=Login -p txtB_NRIC --string=invalid --random-agent
Technique: None
Back-end DBMS: None (identified)

Traceback (most recent call last):
  File "sqlmap.py", line 110, in main
    start()
  File "lib/controller/controller.py", line 522, in start
    injection = checkSqlInjection(place, parameter, value)
  File "lib/controller/checks.py", line 438, in checkSqlInjection
    Request.queryPage(genCmpPayload(), place, raise404=False)
  File "lib/request/connect.py", line 1078, in queryPage
    page, headers, code = Connect.getPage(url=uri, get=get, post=post, method=method, cookie=cookie, ua=ua, referer=referer, host=host, silent=silent, auxHeaders=auxHeaders, response=response, raise404=raise404, ignoreTimeout=timeBasedCompare)
  File "lib/request/connect.py", line 471, in getPage
    page = decodePage(page, responseHeaders.get(HTTP_HEADER.CONTENT_ENCODING), responseHeaders.get(HTTP_HEADER.CONTENT_TYPE))
  File "lib/request/basic.py", line 293, in decodePage
    kb.pageEncoding = kb.pageEncoding or checkCharEncoding(getHeuristicCharEncoding(page))
  File "lib/request/basic.py", line 216, in getHeuristicCharEncoding
    retVal = detect(page)["encoding"]
  File "thirdparty/chardet/__init__.py", line 27, in detect
    from . import universaldetector
  File "thirdparty/chardet/universaldetector.py", line 33, in <module>
    from .mbcsgroupprober import MBCSGroupProber  # multi-byte character sets
  File "thirdparty/chardet/mbcsgroupprober.py", line 32, in <module>
    from .sjisprober import SJISProber
  File "thirdparty/chardet/sjisprober.py", line 31, in <module>
    from .chardistribution import SJISDistributionAnalysis
  File "thirdparty/chardet/chardistribution.py", line 32, in <module>
    from .gb2312freq import (GB2312CharToFreqOrder, GB2312_TABLE_SIZE,
ValueError: bad marshal data (unknown type code)