https://devzone.nordicsemi.com/f/nordic-q-a/112520/how-to-prevent-dropped-packetsI&#39;m using 2 nRF52840 DK to run a data transfer test between a central and a peripheral. The Central device uses ble_app_uart_c, The peripheral uses ble_app_uart. These examples are in SDK V17. I ran a test where the peripheral keeps sending packetsen-USTelligent Community 13Thu, 27 Jun 2024 14:00:07 GMThttps://devzone.nordicsemi.com/thread/491146?ContentTypeID=1Thu, 27 Jun 2024 14:00:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8bf266f0-99cc-4ad0-8e37-3957bf1ef355Karl Ylvisaker<p>Hello,<br /><br />No messages is lost in the protocol, and so this is most likely a result of the application logic dropping the packets.<br /><br />Are you getting any error messages when this occurs?<br />Please make sure that you have DEBUG enabled in your preprocessor defines.<br /><img style="max-height:240px;max-width:320px;" alt=" " src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/0435.enabling_5F00_debug_5F00_SES.PNG" /><br /><br />This will make your logger output a detailed error message whenever a non-NRF_SUCCESS error code is passed to an APP_ERROR_CHECK.<br /><br />Best regards,<br />Karl</p><div style="clear:both;"></div>