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Memory ID errors connecting to OMAP-L138 using seed‘s XDS560

I am currently  connecting to my OMAP-L138  using a XDS560 USB Emulator and CCS3.3.82 .  The error message is as follows:

Trouble Reading Memory Block at 0x1c10800 on Page 0 of Length 0x4: Error 0x00000002/-1194 Error during: Memory,  The memory ID is not supported by the hardware.  

GEL: Error while executing OnTargetConnect(): target access failed.

I haved checked the GEL. When I click the "cancel" button and go next step, I can connect to dsp side without any problems and the test code under the dsp side is passed, but 

when I try to connect to ARM side, It's failed.

Does anyone can help me?