https://devzone.nordicsemi.com/f/nordic-q-a/38616/softdevice-assertion-failed-sdk_15-2-0What could be the cause for the SoftDevice: Assertion Failed error ? I am using nRF5_SDK_15.2.0 and the ble_app_template with some flash functions to update a config file. Any suggestions are appreciated.en-USTelligent Community 13Mon, 06 Jan 2025 08:02:28 GMThttps://devzone.nordicsemi.com/thread/516913?ContentTypeID=1Mon, 06 Jan 2025 08:02:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ba77276d-d77d-4ba1-90e9-2882c59f733fTirth_S<p>Hi AndreasF,<br /><br />after implementing this still i am facing same error.<br />&lt;error&gt; app: SOFTDEVICE: ASSERTION FAILED&nbsp;&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/149179?ContentTypeID=1Tue, 18 Sep 2018 09:25:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b7ef8dde-7436-4c8d-9fa2-9d642cf18e9eAndreasF<p>Hi.</p> <p>Could you try to do a debug after you have added <strong>DEBUG</strong> to the preprocessor definitions, like this:</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-d9c179ef0ea54d178366cb5976bf9691/pastedimage1537262547466v1.png" alt=" " /></p> <p>Just &quot;Edit Options&quot; -&gt; Select &quot;Common&quot;, go to the &quot;Preprosessor&quot; tab, double click on &quot;Preprosessor Definitions&quot; and write DEBUG, as I did on the screenshot I sent.</p> <p>This should give you a more detailed log, which perhaps will show you where this error came from. If you have any more questions, feel free to ask.</p> <p></p> <p>- Andreas</p><div style="clear:both;"></div>