Hi, I am trying to write a quadcopter code - stuck on the following error In function SoftwareSerial::read()':** **(.text+0x0): multiple definition of __vector_3' i get this error after including the software serial library #include<Servo.h> #include <PID_v1.h> //PID Library by Brett Beauregard …

SoftwareSerial::read()': (.text+0x0): multiple definition of `__vector_3`

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