https://devzone.nordicsemi.com/f/nordic-q-a/56728/light-switch-server-with-dfu-can-t-initiate-mesh-stack-flash-manager-invalid-metadaSo I&#39;m trying to implement Mesh OnOff server with BLE DFU supports. My implementation is as follows: These are my app_config.h and nrf_mesh_config_app.h I face this error when I debug it through Segger Studio: Which is traced to thisen-USTelligent Community 13Mon, 27 Jan 2020 09:28:47 GMThttps://devzone.nordicsemi.com/thread/231052?ContentTypeID=1Mon, 27 Jan 2020 09:28:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bf033445-fa55-4f1d-b3f9-de9176907f9dJoakim Jakobsen<p>Hi.&nbsp;</p> <p>Did you test with the LPN example first, to see if that works?<br />There is a guide on&nbsp;<a title="Configuring DFU over BLE using the LPN example" href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.meshsdk.v3.1.0/md_examples_experimental_lpn_dfu_ble.html?cp=7_6_1_3_6_1_1">Configuring DFU over BLE using the LPN example</a>&nbsp;that you can take a look at.&nbsp;</p> <p>As for the assert, it might be related to this:&nbsp;<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/53356/mesh-lpn-example-ble-dfu">https://devzone.nordicsemi.com/f/nordic-q-a/53356/mesh-lpn-example-ble-dfu</a></p> <p>There is also a lot of useful information relating to this here:&nbsp;<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/50237/dfu-mesh-over-ble/">https://devzone.nordicsemi.com/f/nordic-q-a/50237/dfu-mesh-over-ble/</a>&nbsp;</p> <p>Best regards,&nbsp;<br />Joakim</p><div style="clear:both;"></div>