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TM4C Error connecting to the target: (Error -1063 @ 0x0), Unresponsive Processor.

Hi,

Ive been running into this error code for weeks now:

CORTEX_M4_0: Error connecting to the target: (Error -1063 @ 0x0) Device ID is not recognized or is not supported by driver. Confirm device and emulator configuration is correct, or update device driver. (Emulation package 5.1.232.0) 

When attempting to debug a custom board with 3x TM4C123AH5PM processors using CCS Version: 5.5.0.00077 over JTAG with a XDS100v2 debugger. The processors originally would debug to the console using the sample hello world project but all resulted in the same error code once loading a project including the driver libraries. 

I ran the debug unlock tool using Uniflash however i'm still no further.

Can anyone help?

Thanks

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