https://devzone.nordicsemi.com/f/nordic-q-a/91932/problem-with-relocating-to-serial-portHi，nordic I am using ses6.22a, the sdk is 1710 and mesh5.00. When I integrate the serial port case into the mesh sensor case, the serial port can work normally, but it must be in the case of locating the RTT. If not, It will report the following erroren-USTelligent Community 13Wed, 14 Sep 2022 12:38:12 GMThttps://devzone.nordicsemi.com/thread/386177?ContentTypeID=1Wed, 14 Sep 2022 12:38:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8a5ff9f1-a04d-4bfc-9f5e-a9ff2df264cdJ&#248;rgen Holmefjord<p>Hi,</p> <p>The build error is caused from the SES version that you are using is not supported by the SDK version. We always recommend using the IDE/compiler versions used for testing/verification of the SDK release. The versions are noted in the <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/index.html">SDK release notes</a>:</p> <pre>nRF5 SDK v17.1.0 ------------------------ The following toolchains/devices have been used for testing and verification: - ARM: MDK-ARM version 5.25 - GCC: GCC ARM Embedded 9.2020-q2.major - IAR: IAR Workbench 7.80.4 - SES: SES 5.42a</pre> <p>You can find more details about the issue in <a href="https://devzone.nordicsemi.com/f/nordic-q-a/88123/build-environment-problem/368739">this post</a>.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>