Running version: 1.6.2.8#dev
Python version: 2.7.18
Operating system: Windows-10-10.0.19041
Command line: sqlmap.py -u *********************************** -D ******** --dump
Technique: BOOLEAN
Back-end DBMS: MySQL (fingerprinted)

Traceback (most recent call last):
  File "sqlmap.py", line 215, in main
    start()
  File "lib/core/decorators.py", line 80, in _
    result = f(*args, **kwargs)
  File "lib/controller/controller.py", line 701, in start
    action()
  File "lib/controller/action.py", line 163, in action
    conf.dbmsHandler.dumpTable()
  File "plugins/generic/entries.py", line 466, in dumpTable
    conf.dumper.dbTableValues(kb.data.dumpedTable)
  File "lib/core/dump.py", line 413, in dbTableValues
    dumpDbPath = os.path.join(conf.dumpPath, normalizeUnicode(unsafeSQLIdentificatorNaming(db)))
  File "C:/Python27/lib/ntpath.py", line 85, in join
    result_path = result_path + p_path
  File "C:/Python27/lib/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xb8 in position 7: invalid start byte