https://devzone.nordicsemi.com/f/nordic-q-a/66152/issues-with-sdk_config-h-in-sdk17---unable-to-enable-ble_db_discovery-despite-making-changesI am trying to embed CTS in my code. I have included #include &quot;ble_cts_c.h&quot; Then I made changes to sdk_config.h I have this enabled in sdk_config.h: Yet I am unable to see the colour change in ble_db_discovery.c Upon building the project it throwsen-USTelligent Community 13Mon, 21 Sep 2020 07:22:11 GMThttps://devzone.nordicsemi.com/thread/270465?ContentTypeID=1Mon, 21 Sep 2020 07:22:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d4daf268-5e96-4524-a057-a2fe0d3c999eRaja Sumant<p>Solved the issue by adding:<br /><br /><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1600672921455v1.png" alt=" " /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/270460?ContentTypeID=1Mon, 21 Sep 2020 07:13:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:aa5cb6b3-9ce3-4295-957e-3e33c1a5f64dRaja Sumant<p>Update:<br /><br />I added&nbsp;<pre class="ui-code" data-mode="text">// &lt;q&gt; BLE_DB_DISCOVERY_ENABLED - ble_db_discovery - Database discovery module #ifndef BLE_DB_DISCOVERY_ENABLED #define BLE_DB_DISCOVERY_ENABLED 1 #endif </pre><br /><br />This kind of enabled the code.<br /><br />Yet I get this error:<br /><br /><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1600672372421v1.png" alt=" " /></p><div style="clear:both;"></div>