TC277 board, debug port secured

Hello,

I'm debugging the TC277 with Trace32, I'm testing the Standby mode of the MCU, after I set it to the standby mode, the Trace32 is down, and I tried to download again, it's debug port secured.

Does anyone have ever seen this error before? how to fix this?

Attachment 3097

?????

• error.PNG‎ (14.3 KB)