https://devzone.nordicsemi.com/f/nordic-q-a/102600/can-not-compile-matter-examples-for-xiao-ble-board-with-p25q16h-flash-chip-due-to-external-flash-partition-errorsHi, I am trying to develop a matter device, using the XIAO BLE module, which features a p25q16h external flash chip, rather than the mx25r64 present in the DK. I was able to get it running on the DK, but when I try to create a new board, the build foren-USTelligent Community 13Sun, 22 Mar 2026 03:45:34 GMThttps://devzone.nordicsemi.com/thread/563811?ContentTypeID=1Sun, 22 Mar 2026 03:45:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:61197d8e-ef49-4a0e-91f4-5136dbd9d9d4Asha Bangalore Rangaswamy<p>how did you solve&nbsp;&nbsp;the error with config (prj.com)&nbsp;<br />C:/ncs/v2.4.0/nrf/include/flash_map_pm.h:41:22: error: &#39;PM_mcuboot_secondary_ID&#39; was not declared in this scope; did you mean &#39;PM_mcuboot_primary_ID&#39;?<br /> 41 | #define PM_ID(label) PM_##label##_ID&nbsp;&nbsp;<br /><br /><br /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/475888?ContentTypeID=1Tue, 26 Mar 2024 12:08:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:558e2bc5-fb83-4985-8c80-9423cd0c0796Hristo Borisov<p>Hello, I have the same issue. I&#39;ve downloaded your source repository and tried to build it but with no luck. Does it have all your fixes?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/439997?ContentTypeID=1Sat, 05 Aug 2023 08:45:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2af3a5e6-0ba3-4201-a59f-dc4a7ad84f4fbrucecooper<p>Never mind, I found it.&nbsp; I had named my override wrong (I named it after the original xiao_ble, instead of ble_module).&nbsp; Stupid error.&nbsp; What is worse is that I had started at the problem for more than a day before I posted, just so I would avoid such an error.&nbsp;</p><div style="clear:both;"></div>