[sqlmap-users] unhandled exception in sqlmap/0.8

[Augusto U. <x2...@gm...>]

sqlmap -u "http://127.0.0.1/dvwa/vulnerabilities/sqli/?id=2&Submit=Submit#"
--cookie="security=low; PHPSESSID=igb52eg20l6of28706ll43h364" -v 1


    sqlmap/0.8 - automatic SQL injection and database takeover tool
    http://sqlmap.sourceforge.net

[*] starting at: 12:03:59

[12:03:59] [INFO] using '/home/XXXX/.sqlmap/output/127.0.0.1/session' as
session file
[12:03:59] [INFO] resuming match ratio '0.997' from session file
[12:03:59] [INFO] resuming injection point 'GET' from session file
[12:03:59] [INFO] resuming injection parameter 'id' from session file
[12:03:59] [INFO] resuming injection type 'stringsingle' from session file
[12:03:59] [INFO] resuming 0 number of parenthesis from session file
[12:03:59] [INFO] resuming string match ''' from session file
you did not provide any string to match. Do you want to use the resumed
string to be matched in page when the query is valid? [Y/n]
[12:03:59] [INFO] testing connection to the target url
[12:03:59] [INFO] testing for parenthesis on injectable parameter
[12:03:59] [INFO] testing MySQL
[12:03:59] [INFO] confirming MySQL
[12:03:59] [ERROR] unhandled exception in sqlmap/0.8, please copy the
command line and the following text and send by e-mail to
sql...@li.... The developer will fix it as soon as
possible:
sqlmap version: 0.8
Python version: 2.6.5
Operating system: linux2
Traceback (most recent call last):
  File "/usr/bin/sqlmap", line 77, in main
    start()
  File "/usr/share/sqlmap/lib/controller/controller.py", line 259, in start
    action()
  File "/usr/share/sqlmap/lib/controller/action.py", line 46, in action
    conf.dbmsHandler = setHandler()
  File "/usr/share/sqlmap/lib/controller/handler.py", line 64, in setHandler
    if dbmsHandler.checkDbms():
  File "/usr/share/sqlmap/plugins/dbms/mysql.py", line 280, in checkDbms
    if inject.getValue("SELECT %s FROM information_schema.TABLES LIMIT 0, 1"
% randInt, charsetType=2) == randInt:
  File "/usr/share/sqlmap/lib/request/inject.py", line 373, in getValue
    value = __goInferenceProxy(expression, fromUser, expected, batch,
resumeValue, unpack, charsetType, firstChar, lastChar)
  File "/usr/share/sqlmap/lib/request/inject.py", line 123, in
__goInferenceProxy
    output = resume(expression, payload)
  File "/usr/share/sqlmap/lib/utils/resume.py", line 144, in resume
    substringQuery = queries[kb.dbms].substring
KeyError: None