Unhandled exception (#3abb650a) #2766

sqlmap version: 1.1.11.1#dev
Python version: 2.7.14
Operating system: posix
Command line: sqlmap.py -r /****/Desktop/xxx/ju4 --random-agent --answer=crack=n --answer=redirect=n --keep-alive --threads=3 --no-cast --exclude-sysdbs --technique=BEUS --timeout=10 --time-sec=10 --tamper=between,base64encode,randomcase,space2comment --threads=1 --tor-type=SOCKS5 --risk=3 --level=5 --timeout=10 --time-sec=10 --flush-session
Technique: None
Back-end DBMS: None

Traceback (most recent call last):
  File "sqlmap.py", line 155, in main
    start()
  File "lib/controller/controller.py", line 545, in start
    injection = checkSqlInjection(place, parameter, value)
  File "lib/controller/checks.py", line 411, in checkSqlInjection
    templatePayload = agent.payload(place, parameter, value="", newValue=origValue, where=where)
  File "lib/core/agent.py", line 170, in payload
    retVal = paramString.replace(_, self.addPayloadDelimiters(newValue))
UnicodeDecodeError: 'ascii' codec can't decode byte 0x84 in position 297: ordinal not in range(128)