Error with goto:

#include <LiquidCrystal.h>
int RelayPin = 6; //Relay!
int delayTime = 5; //Seconds to hold the relay open
int buttonState = 0; //The state of the button (1, 0)
int buttonPin = 7; //Pin of the button. Make sure to connect the other end to GND, not 5V
int countdown = 0; //Don't edit this, edit countVal instead!
int countVal = 15; //Time (in seconds) you have to run.
int contPin = 8; //The Pin for the continutity sensor
int contState = 0; //State of continutity
LiquidCrystal lcd(12, 11, 5, 4, 3, 2); //LCD Config Pins
void setup()
{
  //LCD Columns,Rows
  lcd.begin(16, 2);
  lcd.setCursor(0, 0);
  lcd.print("Welcome to");
  lcd.setCursor(0, 1);
  lcd.print("RocketLaunch 4.4");
  delay(1750);
  pinMode(RelayPin, OUTPUT); //Set the relay as an output
  pinMode(buttonPin, INPUT); //Self-Explanitory
  pinMode(contPin, INPUT);
  digitalWrite(buttonPin, HIGH); //Pull-Up Resistor
  digitalWrite(contPin, HIGH); //Pull-Up Resistor
  lcd.clear();
}

void loop() {
  top:
  contState = digitalRead(contPin);
  if(contState == LOW) {
    lcd.clear();
    lcd.print("Ready to Launch!");
    lcd.setCursor(0,1);
    lcd.print("Press button...");
    delay(100); //Quick anti-flicker delay
    countdown = countVal;
    buttonState = digitalRead(buttonPin);
    if(buttonState == LOW) {
      lcd.clear();
      lcd.print("Launching in:");
        for(countdown > 0; countdown--;) {
          contState = digitalRead(contPin);
          lcd.setCursor(0,1);
          lcd.print(countdown + 1);
          lcd.print(' ');
          lcd.print("second(s)  ");
          delay(1000);
          if(contState == HIGH) {
            onDisconnect();
          }
      }
      lcd.clear();
      lcd.print("Igniting Engine");
      digitalWrite(RelayPin, HIGH);
      delay(1000*delayTime);
      digitalWrite(RelayPin, LOW);
      contState = digitalRead(contPin);
      if(contState == LOW) {
        lcd.clear();
        lcd.print("Warning: Rocket");
        lcd.setCursor(0,1);
        lcd.print("not ignited!   ");
        delay(2500);
        lcd.clear();
      }
      else {
        lcd.clear();
        lcd.print("WHOOOOSH!       ");
        delay(2500);
      }

    }
  }
  else {
    lcd.clear();
    lcd.print("ERROR: Ignitor");
    lcd.setCursor(0,1);
    lcd.print("not plugged in!");
    delay(1000);
  }
}
void onDisconnect() {
  lcd.clear();
  lcd.print("ERROR: Ignitor");
  lcd.setCursor(0,1);
  lcd.print("was unplugged!  ");
  delay(5000);
  goto top;
}