Doesn't enable the log backend of uart but the log output on the uart

Doesn't enable the log backend of uart but the log output on the uarthttps://devzone.nordicsemi.com/f/nordic-q-a/85056/doesn-t-enable-the-log-backend-of-uart-but-the-log-output-on-the-uartHi There is not NRF_LOG_BACKEND_UART_ENABLED in the sdk_config.h which in the ble_app_uart sample(nRF5_SDK_17.1.0_ddde560\examples\ble_peripheral\ble_app_uart\pca10040e)，I only set the NRF_LOG_BACKEND_RTT_ENABLED to 1 and the NRF_FPRINTF_FLAG_AUTOMATIC_CR_ON_LF_ENABLEDen-USTelligent Community 13Wed, 23 Feb 2022 07:23:43 GMTRE: Doesn't enable the log backend of uart but the log output on the uarthttps://devzone.nordicsemi.com/thread/354466?ContentTypeID=1Wed, 23 Feb 2022 07:23:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a12dfd1d-fc20-4b48-9a67-a28bbe850b8dVidar Berg<p>Hello,</p> <p>The UART message is coming from the printf() in main(), not from the logger module. You can comment out this line if you want.</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>