https://devzone.nordicsemi.com/f/nordic-q-a/39405/sdk-proximity-coexistence-examplehello support team I am trying SDK Proximity coexistence example I am using Mesh SDK 2.2 and nRF5_SDK_15.0.0_a53641a I followed the steps given in link I am getting this error 1&gt; cc1: fatal error: C:/nordic_semi/nrf5_SDK_for_Mesh_v2.2.0_srcen-USTelligent Community 13Fri, 12 Oct 2018 06:03:15 GMThttps://devzone.nordicsemi.com/thread/152575?ContentTypeID=1Fri, 12 Oct 2018 06:03:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:945e3367-2adc-44fe-92b2-1afd13a71cefarunbm123<p>hello support Please close this case,</p> <p>Downloading Freshing copy of SDK solved the problem</p> <p>thank you</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/152572?ContentTypeID=1Fri, 12 Oct 2018 05:11:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e9cae1c9-4345-47c9-86cf-74f90ce78395arunbm123<p>dear Support team</p> <p>Correction : I followed steps in this&nbsp;<a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.meshsdk.v2.2.0/md_examples_sdk_coexist_ble_app_proximity_coexist_README.html?cp=4_1_0_4_8_0">http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.meshsdk.v2.2.0/md_examples_sdk_coexist_ble_app_proximity_coexist_README.html?cp=4_1_0_4_8_0</a></p><div style="clear:both;"></div>