https://devzone.nordicsemi.com/f/nordic-q-a/83083/doing-a-program-in-keil-nrf52840-together-with-st--link-v2I have done a program with keil IDE and am putting into use an ST link v2 for a debugger, and in Keil am getting “internal command error” as the problem. The screenshot below elaborates more my outcome: What can be the cause of this problem? Fromen-USTelligent Community 13Thu, 23 Dec 2021 11:07:39 GMThttps://devzone.nordicsemi.com/thread/344924?ContentTypeID=1Thu, 23 Dec 2021 11:07:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0f1d14cd-12ed-46ba-b64d-0c3d4cee8a36Hung Bui<p>Hi Kim,&nbsp;</p> <p>Your issue is similar to this:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/71517/softdevice-flash-error-with-keil-using-st-link-v2">https://devzone.nordicsemi.com/f/nordic-q-a/71517/softdevice-flash-error-with-keil-using-st-link-v2</a></p> <p>Could you have a look and follow the suggestion ?&nbsp;</p><div style="clear:both;"></div>