https://devzone.nordicsemi.com/f/nordic-q-a/122253/uart-errC:/ncs/v2.9.1/zephyr/include/zephyr/toolchain/gcc.h:87:36: error: static assertion failed: &quot;/soc/peripheral@50000000/uart@c7000 defined without sleep state&quot; ,when i use the uart21,it is report this err.why?en-USTelligent Community 13Sat, 14 Jun 2025 17:45:48 GMThttps://devzone.nordicsemi.com/thread/539272?ContentTypeID=1Sat, 14 Jun 2025 17:45:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d994d91e-42d3-40fa-a658-93757dcc72bbX4ce<p>Define its sleep state along with default one.</p><div style="clear:both;"></div>