This error is generted by TI's USCIF driver or utilities.
The value is '-181'（0xffffff4b）.
The title is 'SC-ERR_CTL_NO_TRG_CLOCK'.
The explanation is:
The controller has detected a dead JTAG clock.
The user must turn-on or connect the JTAG clock for the target.
[End: Wintcch Digital XDS 560v2 STM USB Emulator_0]