https://devzone.nordicsemi.com/f/nordic-q-a/3035/unable-to-use-notifyI am unable to to send notification for a customized service. I am testing a customized services that simply increments a variable every 3 seconds and sends notification with the new value. The timer part is working, verified by blinking led. I can readen-USTelligent Community 13Tue, 08 Jul 2014 13:15:18 GMThttps://devzone.nordicsemi.com/thread/11400?ContentTypeID=1Tue, 08 Jul 2014 13:15:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2f0f9dc6-8f4d-413e-8ef8-49305be77bdbjon<p>I figured out the problem. I did not update the ble_evt_dispatch() to include the service event handler function.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/11399?ContentTypeID=1Tue, 08 Jul 2014 12:26:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:538da77a-974b-45e2-a2a0-0a0d459f07a5John<p>I haven&#39;t looked at your code to discern why, but it appears you may be running out of transmit buffers based on that error code:</p> <pre><code>#define BLE_ERROR_NO_TX_BUFFERS (NRF_ERROR_STK_BASE_NUM+0x003) /**&lt; Buffer capacity exceeded. */ </code></pre> <p>NER_ERROR_STK_BASE_NUM is defined to be 0x3000.</p><div style="clear:both;"></div>