Thanks for the reply. I have updated to latest version 4.89 but getting the same error.
Traceback (most recent call last):
File "gam.py", line 14609, in <module>
File "gam.py", line 14103, in ProcessGAMCommand
File "gam.py", line 11441, in doPrintUsers
File "gam.py", line 11174, in writeCSVfile
File "csv.py", line 158, in writerows
File "c:\python37\lib\encodings\cp1252.py", line 19, in encode