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Lost debug messages from LORA WAM STM32WL device

Associate III

I lost debug messages from my LoraWAN end device. I made some changes using MX on my project, and this way, I lost debug messages displayed on a serial wire monitor (for example, on Arduino serial monitor). I think it was the cause of this problem. No, I see that red and blue LEDs stopped blinking. Usually, red links when a concentrator doesn't accept a join, and blue blinks when sending messages).
I checked the settings responsible for logging and debugging, and I see that they have the right values:


Is there anybody who can explain how to revert my end device to its former state?



Even with this, I don't see this message in the serial port: