Compiling with Platform.io in VSCode Error

[Azshurith]

Any idea on how to compile the code in platform.io? I already fixed the library issues.

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• Executing task in folder AutonomousFollowMe: C:\Users\rnylz.platformio\penv\Scripts\platformio.exe run

Processing uno (platform: atmelavr; board: uno; framework: arduino)

Verbose mode can be enabled via -v, --verbose option
CONFIGURATION: https://docs.platformio.org/page/boards/atmelavr/uno.html
PLATFORM: Atmel AVR (5.0.0) > Arduino Uno
HARDWARE: ATMEGA328P 16MHz, 2KB RAM, 31.50KB Flash
DEBUG: Current (avr-stub) External (avr-stub, simavr)
PACKAGES:

• framework-arduino-avr @ 5.2.0
• toolchain-atmelavr @ 1.70300.191015 (7.3.0)
  LDF: Library Dependency Finder -> https://bit.ly/configure-pio-ldf
  LDF Modes: Finder ~ chain, Compatibility ~ soft
  Found 10 compatible libraries
  Scanning dependencies...
  Dependency Graph
  |-- Adafruit Unified Sensor @ 1.1.14
  |-- Servo @ 1.2.2
  |-- Adafruit HMC5883 Unified @ 1.2.3
  |-- Wire @ 1.0
  Building in release mode
  Linking .pio\build\uno\firmware.elf
  C:\Users\user\AppData\Local\Temp\cc1HPLnT.ltrans0.ltrans.o: In function main': <artificial>:(.text.startup+0x86): undefined reference to setup'
  :(.text.startup+0x8e): undefined reference to `loop'
  collect2.exe: error: ld returned 1 exit status
  *** [.pio\build\uno\firmware.elf] Error 1
  ============================================================================== [FAILED] Took 2.60 seconds ==============================================================================

• The terminal process "C:\Users\user.platformio\penv\Scripts\platformio.exe 'run'" terminated with exit code: 1.
• Terminal will be reused by tasks, press any key to close it.
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