https://devzone.nordicsemi.com/f/nordic-q-a/92400/optimization-level-cause-to-crashI am new to Segger Embedded Studio, I do a test on ble_app_template demo on nRFSDK_v16.0.0 on nRF52840 with S140. There are two configurations of the project, namely Debug and Release. In Debug configuration, things go well. In Release configuraionen-USTelligent Community 13Thu, 29 Sep 2022 10:54:55 GMThttps://devzone.nordicsemi.com/thread/388540?ContentTypeID=1Thu, 29 Sep 2022 10:54:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9f7d8216-21b4-4953-aa79-d601fe88d3a4Young_work<p>I use newest version SES. After switching to v4.18, it works. Thank you!</p> <p></p> <p>Best regards,</p> <p>Young</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/388336?ContentTypeID=1Wed, 28 Sep 2022 11:49:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e8f3b4ee-e169-4b35-95e7-64c192c5b402J&#248;rgen Holmefjord<p>Hi,</p> <p>Which version of Segger Embedded Studio are you using? Seems like <a href="https://devzone.nordicsemi.com/f/nordic-q-a/88389/sd_ble_gap_ppcp_set-return-error/370151">others</a> have gotten similar errors when using too new SES version.</p> <p>We always recommend using the IDE/compiler version that the SDK was tested with, this is mentioned in the <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v16.0.0/index.html">SDK release notes</a>:</p> <pre>nRF5 SDK v16.0.0 ------------------------ Release Date: October, 2019 The following toolchains/devices have been used for testing and verification: - ARM: MDK-ARM version 5.25 - GCC: GCC ARM Embedded 7.2018q2.update - IAR: IAR Workbench 7.80.4 - <span style="background-color:rgba(255, 255, 0, 1);">SES: SES 4.18</span></pre> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>