sqlString = "UPDATE assessor SET " &_
"assessorName='" & fixQuotes( fname ) & "', " &_
"email='" & fixQuotes( email ) & "', " &_
"role='" & fixQuotes( role ) & "', " &_
"password='" & fixQuotes( password ) & "' " &_
"WHERE userid=" &session("assessorUserid")

above is query it shows this error.

Error Type:
Microsoft OLE DB Provider for ODBC Drivers (0x80040E10)
[Microsoft][ODBC Microsoft Access Driver] Too few parameters. Expected 1.
/hope/form/updateassessorform2.asp, line 133

do a response.write on your sql string and see what parameters are being passed into it.