error compiling project 5 of the starter's kit. Servo motors and potentiometer

This is the error:

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Arduino: 1.0.6 (Mac OS X), Board: "Arduino Uno"
core.a(main.cpp.o): In function main': /Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino/main.cpp:40: undefined reference to setup'

THANK YOU FOR HELPING ME. :smiley:

Despite the fact that you did not post your program my crystal ball tells me that it has no setup() function in it.

i am sorry, i've just find the error uploading the imagine.Thank you as well