Command: ninja flash
[1/5] cd "/home/lubi/NIHAR/PROJECTS/DEVELOPMENT BOARDS/ESP_PROJECT/mqtt_led_control/build/esp-idf/esptool_py" && /home/lubi/.espressif/python_env/idf6.0_py3.12_env/bin/python /home/lubi/esp-idf/components/partition_table/check_sizes.py --offset 0x8000 partition --type app /home/lubi/NIHAR/PROJECTS/DEVELOPMENT\ BOARDS/ESP_PROJECT/mqtt_led_control/build/partition_table/partition-table.bin /home/lubi/NIHAR/PROJECTS/DEVELOPMENT\ BOARDS/ESP_PROJECT/mqtt_led_control/build/mqtt_led_control.bin
mqtt_led_control.bin binary size 0xdf290 bytes. Smallest app partition is 0x100000 bytes. 0x20d70 bytes (13%) free.
[2/5] Performing build step for 'bootloader'
[1/1] cd "/home/lubi/NIHAR/PROJECTS/DEVELOPMENT BOARDS/ESP_PROJECT/mqtt_led_control/build/bootloader/esp-idf/esptool_py" && /home/lubi/.espressif/python_env/idf6.0_py3.12_env/bin/python /home/lubi/esp-idf/components/partition_table/check_sizes.py --offset 0x8000 bootloader 0x1000 /home/lubi/NIHAR/PROJECTS/DEVELOPMENT\ BOARDS/ESP_PROJECT/mqtt_led_control/build/bootloader/bootloader.bin
Bootloader binary size 0x6680 bytes. 0x980 bytes (8%) free.
[3/5] No install step for 'bootloader'
[4/5] Completed 'bootloader'
[4/5] cd /home/lubi/esp-idf/components/esptool_py && /usr/bin/cmake -D IDF_PATH=/home/lubi/esp-idf -D "SERIAL_TOOL=/home/lubi/.espressif/python_env/idf6.0_py3.12_env/bin/python;;/home/lubi/esp-idf/components/esptool_py/esptool/esptool.py;--chip;esp32" -D "SERIAL_TOOL_ARGS=--before=default_reset;--after=hard_reset;write_flash;@flash_args" -D "WORKING_DIRECTORY=/home/lubi/NIHAR/PROJECTS/DEVELOPMENT BOARDS/ESP_PROJECT/mqtt_led_control/build" -P /home/lubi/esp-idf/components/esptool_py/run_serial_tool.cmake
esptool.py --chip esp32 -p /dev/ttyUSB0 -b 460800 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size 2MB 0x1000 bootloader/bootloader.bin 0x10000 mqtt_led_control.bin 0x8000 partition_table/partition-table.bin
esptool.py v4.9.dev8
Serial port /dev/ttyUSB0

A fatal error occurred: Could not open /dev/ttyUSB0, the port is busy or doesn't exist.
([Errno 11] Could not exclusively lock port /dev/ttyUSB0: [Errno 11] Resource temporarily unavailable)

FAILED: CMakeFiles/flash /home/lubi/NIHAR/PROJECTS/DEVELOPMENT BOARDS/ESP_PROJECT/mqtt_led_control/build/CMakeFiles/flash 
cd /home/lubi/esp-idf/components/esptool_py && /usr/bin/cmake -D IDF_PATH=/home/lubi/esp-idf -D "SERIAL_TOOL=/home/lubi/.espressif/python_env/idf6.0_py3.12_env/bin/python;;/home/lubi/esp-idf/components/esptool_py/esptool/esptool.py;--chip;esp32" -D "SERIAL_TOOL_ARGS=--before=default_reset;--after=hard_reset;write_flash;@flash_args" -D "WORKING_DIRECTORY=/home/lubi/NIHAR/PROJECTS/DEVELOPMENT BOARDS/ESP_PROJECT/mqtt_led_control/build" -P /home/lubi/esp-idf/components/esptool_py/run_serial_tool.cmake
ninja: build stopped: subcommand failed.
