Command: ninja flash

A fatal error occurred: Could not open /dev/ttyACM0, the port is busy or doesn't exist.
([Errno 11] Could not exclusively lock port /dev/ttyACM0: [Errno 11] Resource temporarily unavailable)

CMake Error at /home/pi/esp/esp-idf/components/esptool_py/run_serial_tool.cmake:67 (message):
  
  /home/pi/.espressif/python_env/idf6.0_py3.11_env/bin/python;;/home/pi/esp/esp-idf/components/esptool_py/esptool/esptool.py;--chip;esp32c3
  failed.