Serial monitor don't start

I’m work with platformio in the morning and all was ok.
But now Serial monitor don’t start, but firmvare is uploaded ok.
Coolterm work ok (Com3)
Arduino serial monitor work ok too.
Baud rate is 9600

I’m try to install new VS Code+Platformio on another system disk - but result is the same.

Whats may be wrong ?

Error:

Executing task: C:\Users\Gayrat.platformio\penv\Scripts\platformio.exe device monitor <

Error: Traceback (most recent call last):
File “c:\users\gayrat.platformio\penv\lib\site-packages\platformio_main_.p
y”, line 120, in main
cli(None, None, None)
File “c:\users\gayrat.platformio\penv\lib\site-packages\click\core.py”, line
700, in call
return self.main(*args, **kwargs)
File “c:\users\gayrat.platformio\penv\lib\site-packages\click\core.py”, line
680, in main
rv = self.invoke(ctx)
File “c:\users\gayrat.platformio\penv\lib\site-packages\click\core.py”, line
1027, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “c:\users\gayrat.platformio\penv\lib\site-packages\click\core.py”, line
1027, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “c:\users\gayrat.platformio\penv\lib\site-packages\click\core.py”, line
873, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “c:\users\gayrat.platformio\penv\lib\site-packages\click\core.py”, line
508, in invoke
return callback(*args, **kwargs)
File “c:\users\gayrat.platformio\penv\lib\site-packages\platformio\commands\d
evice.py”, line 175, in device_monitor
kwargs[k] = int(kwargs[k])
ValueError: invalid literal for int() with base 10: ‘9600\n# ESP Async WebServer
by Hristo Gochkov\n#ESP Async WebServer’

============================================================

An unexpected error occurred. Further steps:

Seems like it’s complaining while parsing the baud rate incorrectly.

What is your exact platformio.ini? Does converting line endings (NL → CR NL) help?

Tahnk you very march!!!

Problem was in my platformio.ini file