https://devzone.nordicsemi.com/f/nordic-q-a/38605/cant-debug-nrf51-sdk12-1-sd130-v2-0-1Hi, for some reason I cant debug in Keil, the program doesnt stop in main. I also have NRF_LOG enabled, but nothing appears on RTT. What could I do? Thanks!en-USTelligent Community 13Mon, 17 Sep 2018 13:47:12 GMThttps://devzone.nordicsemi.com/thread/149067?ContentTypeID=1Mon, 17 Sep 2018 13:47:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a654f89a-9c4f-4ac4-a6d5-62ca2c045ff6Vidar Berg<p>Hi,</p> <p>Please check if the &quot;debug information&quot; box is checked like shown below:</p> <p>&nbsp;<img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-6a58defc94904a0798993ee4a056b73d/pastedimage1537191812721v1.png" alt=" " /></p> <p>If this is not the problem, please post a screenshot of the CPU register view you see when you try to debug the application in keil. Like this:</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-6a58defc94904a0798993ee4a056b73d/pastedimage1537192016087v2.png" alt=" " /></p> <p></p><div style="clear:both;"></div>