Rockwell Automation Liqui-Flo Control Configuration Software Version 6.0, M/N 2CS3000 - Manual (Page 28)

3-4 Control and Configuration Software V6.1
If the configuration file was: Then:
not created for the drive currently selected in
the CS3000 software an error message is displayed and the configuration file is
not opened
Select a configuration file that was created for the selected
drive, or change the selected drive. See section 3.1 for
information about selecting a drive.
created for a different version of the currently
selected drive a message box is displayed
Refer to section 3.4 for more information about opening a
configuration file for a different version of the same drive.