ICE Error No.FF7: DBGRQ signal is abnormal.

[Supported model]
adviceLUNA, adviceLUNA2

[Scope of application]
ARM

[Error message]
ICE Error No.FF7: DBGRQ signal is abnormal.

[Workaround]
Please check the DBGRQ signal.

[Cause]
The error is displayed when DBGRQ signal is High illegally.