Unhandled exception (#a55d4508)

[sqlmapreporter]

Running version: 1.7.12.7#dev
Python version: 3.7.12
Operating system: Linux-3.10.0-1160.99.1.el7.x86_64-x86_64-with-centos-7.9.2009-Core
Command line: sqlmap.py -r ****** --level 5 --risk 3 --sql-shell --random-agent --batch
Technique: None
Back-end DBMS: MySQL (fingerprinted)

Traceback (most recent call last):
  File "sqlmap.py", line 222, in main
    start()
  File "lib/core/decorators.py", line 80, in _
    result = f(*args, **kwargs)
  File "lib/controller/controller.py", line 732, in start
    action()
  File "lib/controller/action.py", line 192, in action
    conf.dbmsHandler.sqlShell()
  File "plugins/generic/custom.py", line 98, in sqlShell
    query = _input("sql-shell> ")
UnicodeDecodeError: 'utf-8' codec can't decode bytes in position 7-8: invalid continuation byte