migrating from SDK8 to SDK12 app_timer crashes softdevice, pc 0x000104AE, fault ID 0x00000001 error_info 0x0000000https://devzone.nordicsemi.com/f/nordic-q-a/39053/migrating-from-sdk8-to-sdk12-app_timer-crashes-softdevice-pc-0x000104ae-fault-id-0x00000001-error_info-0x0000000Hi, Im migrating from SDK8 to SDK12 app_timer crashes Debugging at app_error.c shows m_error_data to be : softdevice, pc 0x000104AE, fault ID 0x00000001 error_info 0x0000000 I have 4 other timers existing, this specific timer &#39;start&#39; commanden-USTelligent Community 13Wed, 03 Oct 2018 00:07:07 GMTRE: migrating from SDK8 to SDK12 app_timer crashes softdevice, pc 0x000104AE, fault ID 0x00000001 error_info 0x0000000https://devzone.nordicsemi.com/thread/151307?ContentTypeID=1Wed, 03 Oct 2018 00:07:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:786e1e74-4850-41c6-869a-9134e91d92bbRon<p>Thanks but the problem was solved , timer2 was not properly enabled&nbsp;</p><div style="clear:both;"></div>RE: migrating from SDK8 to SDK12 app_timer crashes softdevice, pc 0x000104AE, fault ID 0x00000001 error_info 0x0000000https://devzone.nordicsemi.com/thread/151274?ContentTypeID=1Tue, 02 Oct 2018 14:44:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9e332de2-9c91-456c-b91a-e02f184e3315bjorn-spockeli<p>HI Eran,&nbsp;</p> <p>could you post a screen shot of your call stack when you enter the error_handler in app_error.c?</p> <p>Best regards</p> <p>Bjørn&nbsp;</p><div style="clear:both;"></div>RE: migrating from SDK8 to SDK12 app_timer crashes softdevice, pc 0x000104AE, fault ID 0x00000001 error_info 0x0000000https://devzone.nordicsemi.com/thread/151273?ContentTypeID=1Tue, 02 Oct 2018 14:44:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7abd7923-e719-4858-a555-cda401d33ac2bjorn-spockeli<p>HI Eran,&nbsp;</p> <p>could you post a screen shot of your call stack when you enter the error_handler in app_error.c?</p> <p>Best regards</p> <p>Bjørn&nbsp;</p><div style="clear:both;"></div>