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Me aparece este error al compilar para ender 3 con placa Skr e3 Mini 2.0

Hola necesito ayuda, no puedo compilar el Marlin ya que me aparece este error, por favor si me pudieran orientar a que se debe, estaría muy agradecido.

> Executing task: C:\Users\victo\.platformio\penv\Scripts\platformio.exe run --environment STM32F103RC_btt_512K <

Processing STM32F103RC_btt_512K (platform: ststm32@~6.1.0; board: genericSTM32F103RC; framework: arduino)
--------------------------------------------------------------------------------------------------------------------------------------------------Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/ststm32/genericSTM32F103RC.html
PLATFORM: ST STM32 (6.1.1) > STM32F103RC (48k RAM. 256k Flash)  
HARDWARE: STM32F103RCT6 72MHz, 48KB RAM, 512KB Flash
DEBUG: Current (blackmagic) External (blackmagic, jlink, stlink)
PACKAGES:
 - framework-arduinoststm32-maple 2.10000.200103 (1.0.0)        
 - tool-stm32duino 1.0.2
 - toolchain-gccarmnoneeabi 1.70201.0 (7.2.1)
Converting Marlin.ino
Error: stm32f1 family is not supported by maple core
=========================================================== [FAILED] Took 2.73 seconds ===========================================================
Environment           Status    Duration
--------------------  --------  ------------
STM32F103RC_btt_512K  FAILED    00:00:02.729
===================================================== 1 failed, 0 succeeded in 00:00:02.729 ===================================================== 
The terminal process "C:\Users\victo\.platformio\penv\Scripts\platformio.exe 'run', '--environment', 'STM32F103RC_btt_512K'" terminated with exit code: 1.

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