"C: \ Users \ User \ AppData \ Local \ Temp \ arduino_build_604642 \ libraries \ Cayenne \ utility \ utility.cpp.o" \ Local \ temp \ arduino_build_604642 \ libraries \ Cayenne \ utility \ BlynkHandlers.cpp.o " \ User \ AppData \ Local \ Temp \ arduino_build_604642 / core \ core.a "" -LC: \ Users \ User \ AppData \ Local \ Temp \ arduino_build_604642 \ libraries \ SoftwareSerial \ SoftwareSerial.cpp.o " Users \ User \ AppData \ Local \ Temp \ arduino_build_604642 "-lm
C: \ Users \ User \ AppData \ Local \ Temp \ cckLBQTg.ltrans3.ltrans.o: In function `__static_initialization_and_destruction_0 ':
E: \ machine \ New folder (2) \ machine / machine.in: 8: undefined reference to `ESP8266 :: ESP8266 (SoftwareSerial &) '
Collect2.exe: error: ld returned 1 exit status
I use the Servo library to version 1.1.2 in the folder: C: \ Program Files (x86) \ Arduino \ libraries \ Servo
I use the Cayenne Library to version 0.3.4 in the folder: C: \ Users \ User \ Documents \ Arduino \ libraries \ Cayenne
I use the SoftwareSerial library to version 1.0 in the folder: C: \ Program Files (x86) \ Arduino \ hardware \ arduino \ avr \ libraries \ SoftwareSerial
Exit status 1
Error while compiling for Arduino / Genuino Uno board.[code]
I always get the same error.