This error is commonly associated with C28x devices and is usually associated with a range of hardware or firmware problems that prevent the JTAG debugger to connect to the core.
C28xx: Error connecting to the target:
(Error -1135 @ 0x0)
The debug probe reported an error.
Confirm debug probe configuration and connections, reset the debug probe, and retry the operation.
The e2e forum threads below cover some possible root causes for this issue:
