core.a(wiring.c.o): In function `init':
/usr/share/arduino/hardware/arduino/cores/arduino/wiring.c:193: multiple definition of `__vector_16'
grbl/stepper.c.o:/home/alex/sketchbook/libraries/grbl/stepper.c:536: first defined here
core.a(HardwareSerial.cpp.o): In function `_GLOBAL__sub_I_rx_buffer':
/usr/share/arduino/hardware/arduino/cores/arduino/Print.h:43: multiple definition of `__vector_18'
grbl/serial.c.o:/home/alex/sketchbook/libraries/grbl/serial.c:204: first defined here
core.a(HardwareSerial.cpp.o): In function `_GLOBAL__sub_I_rx_buffer':
/usr/share/arduino/hardware/arduino/cores/arduino/HardwareSerial.cpp:320: multiple definition of `__vector_19'
grbl/serial.c.o:/home/alex/sketchbook/libraries/grbl/serial.c:204: first defined here
collect2: error: ld returned 1 exit status
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我一直在按照 Arduino IDE 方法的编译说明进行操作，但出现以下错误：
任何人都知道为什么会发生这种情况？