https://devzone.nordicsemi.com/f/nordic-q-a/18813/softdevice_handler-error-94-dusing SDK 12.1.0 The original error (compile time only) is main.c(338): error: #94-D: the size of an array must be greater than zero my snippet @ line 338: SOFTDEVICE_HANDLER_INIT(&amp;clock_lf_cfg, NULL); //&lt;--- err line ble_enable_params_t ble_enable_params;en-USTelligent Community 13Wed, 14 Nov 2018 06:23:47 GMThttps://devzone.nordicsemi.com/thread/157203?ContentTypeID=1Wed, 14 Nov 2018 06:23:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4fe3612a-d923-4bb7-b1d2-7b9c7e4acc6esridharnaidu<p>You should enable&nbsp;&nbsp;<code>BLE_STACK_SUPPORT_REQD flag or change this macro&nbsp;<span>#define BLE_STACK_EVT_MSG_BUF_SIZE 0 to&nbsp;#define BLE_STACK_EVT_MSG_BUF_SIZE 1.</span></code></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/72651?ContentTypeID=1Sun, 05 Nov 2017 20:57:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7d474a03-d1e8-409c-ad86-89cc1b90e4dfScott<p>Which tags did you add?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/72650?ContentTypeID=1Mon, 09 Jan 2017 18:49:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:78634bde-2c30-4e51-8de7-6cb357e0f7dflukeG<p>I figured out I needed to include some tags in the Options for Target -&gt; C/C++ -&gt; Define</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/72649?ContentTypeID=1Sat, 07 Jan 2017 21:03:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:279311a9-98e0-4412-942b-eb4a8292f1c3lukeG<p>Petter - I don&#39;t know what to say, the SOFTDEVICE_HANDLER_INIT() call is line 338 and this is the copy-pasted error from my console: main.c(338): error: #94-D: the size of an array must be greater than zero</p> <p>also I have optimization for the entire project set to 0.</p> <p>thanks for the suggestions, any more ideas?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/72648?ContentTypeID=1Fri, 06 Jan 2017 09:27:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dbec45cb-66b9-4570-8e34-5b7a8e293954Petter Myhre<p>I don&#39;t think 94 is a valid error. Is it returned from softdevice_handler_init()? Have you turned off optimizations?</p><div style="clear:both;"></div>