https://devzone.nordicsemi.com/f/nordic-q-a/70102/advertising-failed-to-start-err--22hi, ncs1.4.0\nrf\samples\bluetooth\peripheral_uart， The LBS service was added, but Advertising faile. I don&#39;t know that I made a mistake in that step. It may be the address problem, but I can&#39;t find the place to change the address. Please help,en-USTelligent Community 13Tue, 05 Jan 2021 11:35:32 GMThttps://devzone.nordicsemi.com/thread/287484?ContentTypeID=1Tue, 05 Jan 2021 11:35:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5933bea5-3ab7-4a47-a61b-f88a74c7a087Einar Thorsrud<p>Hi,</p> <p>The return value -22 is -EINVAL, so there is something wrong with the input parameter to&nbsp;bt_le_adv_start(). Looking earlier in the log you see &quot;Too big advertising data&quot;, so you need to remove something from the advertisement packet to shorten it.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/287372?ContentTypeID=1Tue, 05 Jan 2021 03:25:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:796d9e14-d878-460d-a006-18ce1ca12087Ellison<p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1609817141912v1.png" alt=" " /></p><div style="clear:both;"></div>