https://devzone.nordicsemi.com/f/nordic-q-a/122337/nrf5415-dk-pawrHi,Team, I am developing pawr using nrf54l15-dk. I wanted to set the parameters of pawr with 128 sub-events and 8 response intervals, but the setting Failed and the error &quot;Failed to set periodic adv params (err -22)&quot; was returned. The following areen-USTelligent Community 13Thu, 19 Jun 2025 21:10:53 GMThttps://devzone.nordicsemi.com/thread/539941?ContentTypeID=1Thu, 19 Jun 2025 21:10:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7dac756d-1cba-4371-ae58-2907f0625ae8Edvin<p>Hello,</p> <p>Please have a look at my colleague&#39;s blog post regarding PAwR:</p> <p>&nbsp;<a href="https://devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/periodic-advertising-with-responses-pawr-a-practical-guide">Periodic Advertising with Responses (PAwR): A practical guide</a>&nbsp;</p> <p>Particularly section &quot;3.1 Advertising&quot; is relevant here:</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1750367254711v1.png" alt=" " /></p> <p>The first one seems to hold, but according to the second statement, the subevent interval should be greater than or equal to response_slot_delay + response_slot_spacing*NUM_RSP_SLOT.</p> <p>You have a subevent interval of 11, and the response slot delay is 8, while the response_slot_spacing * NUM_RSP_SLOT = 3*8 = 24, and 11 is definitely not &lt;= 8+24=32. This is probably why you are seeing -22 = INVALID_PARAMS.</p> <p>Try adjusting your advertising parameters, and let me know if it doesn&#39;t help.</p> <p></p> <p>Best regards,</p> <p>Edvin</p><div style="clear:both;"></div>