https://devzone.nordicsemi.com/f/nordic-q-a/45267/help-with-logging-configuration-errorI thought I had the logging figured out but when I try to develop the application, I always seem to end up with the same error. I don&#39;t understand what causes this and thought it was related to the order of the header files and something not being defineden-USTelligent Community 13Thu, 02 May 2019 05:58:51 GMThttps://devzone.nordicsemi.com/thread/184748?ContentTypeID=1Thu, 02 May 2019 05:58:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:98a3aee3-86fb-4d44-8bfb-2a583527e854cemerick<p>Was able to fix by removing nrf_log include per logging documentation. Docs states it can cause conflicts.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/178001?ContentTypeID=1Mon, 25 Mar 2019 07:53:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b3e16e53-0618-4ab3-a726-4be7dbc0836eAndreasF<p>Hi.</p> <p>Your error states that <strong>m_nrf_log_app_logs_dataconst</strong> is <strong>undeclared</strong>.</p> <p>Have you declared that variable?</p> <p>Best regards,</p> <p>Andreas</p><div style="clear:both;"></div>