Compilation error when I try do menuconfig or build command

[Olejan]

I download this project and try to build it. But when I do command: idf.py menuconfig I get error:

D:\Projects\sip_call-main>idf.py menuconfig
Executing action: menuconfig
Running cmake in directory D:\Projects\sip_call-main\build
Executing "cmake -G Ninja -DPYTHON_DEPS_CHECKED=1 '-DPYTHON=C:\Program Files\Python39\Scripts\python.exe' -DESP_PLATFORM=1 -DCCACHE_ENABLE=1 D:\Projects\sip_call-main"...
-- IDF_TARGET not set, using default target: esp32
-- Found Git: C:/Program Files/Git/cmd/git.exe (found version "2.39.1.windows.1")
-- ccache will be used for faster recompilation
-- The C compiler identification is GNU 13.2.0
-- The CXX compiler identification is GNU 13.2.0
-- The ASM compiler identification is GNU
-- Found assembler: C:/Users/user/.espressif/tools/xtensa-esp-elf/esp-13.2.0_20230928/xtensa-esp-elf/bin/xtensa-esp32-elf-gcc.exe
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: C:/Users/user/.espressif/tools/xtensa-esp-elf/esp-13.2.0_20230928/xtensa-esp-elf/bin/xtensa-esp32-elf-gcc.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: C:/Users/user/.espressif/tools/xtensa-esp-elf/esp-13.2.0_20230928/xtensa-esp-elf/bin/xtensa-esp32-elf-g++.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- git rev-parse returned 'fatal: not a git repository (or any of the parent directories): .git'
-- Could not use 'git describe' to determine PROJECT_VER.
-- Building ESP-IDF components for target esp32
Processing 3 dependencies:
[1/3] espressif/asio (1.28.2)
[2/3] espressif/mdns (1.2.5)
[3/3] idf (5.2.1)
-- Project sdkconfig file D:/Projects/sip_call-main/sdkconfig
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "C:\Program Files\Python39\Lib\site-packages\kconfgen\__main__.py", line 16, in <module>
    main()
  File "C:\Program Files\Python39\Lib\site-packages\kconfgen\core.py", line 402, in main
    output_function(deprecated_options, config, temp_file)
  File "C:\Program Files\Python39\Lib\site-packages\kconfgen\core.py", line 566, in write_cmake
    write_node(n)
  File "C:\Program Files\Python39\Lib\site-packages\kconfgen\core.py", line 557, in write_node
Loading defaults file D:/Projects/sip_call-main/sdkconfig.defaults...
    write('set({}{} "{}")\n'.format(prefix, sym.name, val))
  File "encodings\cp1251.py", line 19, in encode
UnicodeEncodeError: 'charmap' codec can't encode character '\xfc' in position 36: character maps to <undefined>
CMake Error at C:/Users/user/esp/esp-idf/tools/cmake/kconfig.cmake:209 (message):
  Failed to run kconfgen (C:/Program
  Files/Python39/Scripts/python.exe;-m;kconfgen;--list-separator=semicolon;--kconfig;C:/Users/user/esp/esp-idf/Kconfig;--sdkconfig-rename;C:/Users/user/esp/esp-idf/sdkconfig.rename;--config;D:/Projects/sip_call-main/sdkconfig;--defaults;D:/Projects/sip_call-main/sdkconfig.defaults;--env-file;D:/Projects/sip_call-main/build/config.env).
  Error 1
Call Stack (most recent call first):
  C:/Users/user/esp/esp-idf/tools/cmake/build.cmake:615 (__kconfig_generate_config)
  C:/Users/user/esp/esp-idf/tools/cmake/project.cmake:605 (idf_build_process)
  CMakeLists.txt:10 (project)


-- Configuring incomplete, errors occurred!
See also "D:/Projects/sip_call-main/build/CMakeFiles/CMakeOutput.log".
cmake failed with exit code 1

ESP-IDF 5.2.1 Windows 10 64 bit

What am I doing wrong?