https://devzone.nordicsemi.com/f/nordic-q-a/27636/nrf_libraries-not-a-component-classI&#39;m following the tutorial for how to use SEGGER_RTT_printf() function. The screen shot shows the nRF_Libraries as a software component class (green icon) However, nRF_Libraries in my IDE is a group (a folder icon) The problem is that inen-USTelligent Community 13Thu, 30 Nov 2017 08:54:28 GMThttps://devzone.nordicsemi.com/thread/109132?ContentTypeID=1Thu, 30 Nov 2017 08:54:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8ad2cd76-b1db-4166-a089-55a298b5577dJoakim Jakobsen<p>Hi MichaelNordicUser!</p> <p>If you can&#39;t see the retarget.c file in your group (nRF_Libraries) folder, you should be able to complete the tutorial without deleting it.</p> <p>I just tested using the ble_app_uart example in SDK 11, and my Keil show the same as you.<br /> I deleted the retarget.c file in my nRF_Libraries folder (by rightclicking it and choosing remove file), completed the rest of the steps and it worked fine.</p> <p>Best regards,<br /> Joakim.</p><div style="clear:both;"></div>