Error -201168 occurred at Reserve Chassis

Hi,
My Measurement & Automation Explorer has encountered a problem. I received an error message while reserving my chassis. It is indicating some error regarding reserving of chassis. Have you any idea for the error code 201168? Please help.
Thanks in advance.

Error
The chassis could not be reserved. The error report from the device driver is as follows:
Error -201168 occurred at Reserve Chassis
Possible Reason(s):
Firmware for this device is too old.
Update the firmware for this device.
