Bug in uVision 3.51 Debugger (RVMDK 3.05)

When I click debug button, after loading code, show failure message in command window:
JTAG Communication Failure
JTAG Communication Failure
JTAG Communication Failure

Then press F11 to run program, it appends "JTAG Communication Failure" in command window.

Stop debugger, and click debug button again, show error in message box:
Error: Could not load file ' xxx.axf'
Debugger Aborted!

Edit xxx.opt file using notepad, remove following line: OPTMM 1,8,(s[2])

Then restart uVision, the problem was resolved.

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