статус выхода 1 "Mix" не может быть использован в качестве функции

//#include <SoftwareSerial.h>
//SoftwareSerial EEBlue(0, 1); // RX | TX
//מגדיר את הpins של כל שתייה.
int Vodka = 2;
int CranberryJuice = 3;
int LemonJuice = 4;
int Gin = 5;
int motorPin = 6;
int state = 0;
int Mix;
//כמה זמן יש עד שהוא מחליף לpump הבא.
int TimeBetweenPours = 500;

        void setup()
        {
        Serial.begin (9600);
        Serial.println("The bluetooth gates are open. \n Connect to HC - 05 from any")
        //other bluetooth device with 1234 as pairing key!");
//לעשות את הpins 5-2 לoutput כדי להדליק את הboard relay
; pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
//מוגדר שהrelays יתנו בoutput פחות מתח)מועדף שלא כולם ידלקו באותו הזמן(.
digitalWrite(2, HIGH);
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, HIGH);

}
//{
//pinMode(motorPin, OUTPUT);
//Serial.begin(9600);
//while (! Serial);
//Serial.println("Speed 0 to 255");
//}
//משתמש כדי לכבות ולהדליק את המנוע, נקרא motorpin .מתי שהקוד נפעל הוא גורם לך
//לתת מספר כדי לשלוט במהירות של המנוע, חייב לתת מספר בין 0 לבין 255.
void loop()
{
  if (Serial.available() > 0) {
    //בודק האם המידע מגיע מport serial
    state = Serial.read();
    //קורא את המידע של הport serial
    Serial.println(state);
    {
      //משקאות:
      //Cranberry Gin
      if (state == 'a') {
        Serial.println("Cranberry Gin in the making");
        Mix(0, 5000, 2000, 2200); // Vodka, Cranberry juice, Lime juice, Gin
        {
          //Cape Cod
          if (state == 'b') {
            Serial.println("Cape Cod in the making");
            Mix(1500, 3000, 0, 0); // Vodka, Cranberry juice, Lime juice, Gin
          }
          //Gimlet
          If (state == 'c') {
            Serial.printIn("Gimlet in the making");
            Mix(0, 0, 800, 3800); // Vodka, Cranberry juice, Lime juice, Gin
          }
          //בדיקות ותחזוקה
          //Set-up Vodka
          if (state == 'd')
          }
        Serial.println("Set-up Vodka");
        Mix(1100, 0, 0, 0); // Vodka, Cranberry juice, Lime juice, Gin
        {
          //Set-up Cranberry juice
          if (state == 'e')
          }
        Serial.println("Set-up Cranberry juice");
        Mix(0, 1000, 0, 0); // Vodka, Cranberry juice, Lime juice, Gin
        {
          //Set-up Lime juice
          if (state == 'f') {
            Serial.println("Set-up Lime juice");
            Mix(0, 0, 1100, 0); // Vodka, Cranberry juice, Lime juice, Gin
          }
          //Set-up Gin
          if (state == 'g') {
            Serial.println("Set-up Gin");
            Mix(0, 0, 0, 1000); // Vodka, Cranberry juice, Lime juice, Gin
          }
          //Cleaning
          if (state == 'h') {
            Serial.println("Set-up Gin");
            Mix(4000, 4000, 4000, 4000); // Vodka, Cranberry juice, Lime juice, Gin
          }
          //Set-up all (intial first time after cleaning)
          if (state == 'i')
          }
        Serial.println("Set-up All");
        Mix(800, 800, 800, 1000); // Vodka, Cranberry juice, Lime juice, Gin
        {

        }
        void Mix(int DelayTimeVodka, int DelayTimeCranberryJuice, int
                 DelayTimeLemonJuice, int DelayTimeGin ) {

          state = 0;
          delay(800);
          digitalWrite(Vodka, LOW) ;
          delay(DelayTimeVodka);
          digitalWrite(Vodka, HIGH) ;
          delay(TimeBetweenPours) ;
          digitalWrite(CranberryJuice, LOW) ;
          delay(DelayTimeCranberryJuice) ;
          digitalWrite(CranberryJuice, HIGH) ;
          delay(TimeBetweenPours);
          digitalWrite(LemonJuice, LOW) ;
          delay(DelayTimeLemonJuice) ;
          digitalWrite(LemonJuice, HIGH) ;
          delay(TimeBetweenPours) ;
          digitalWrite(Gin, LOW) ;
          delay(DelayTimeGin) ;
          digitalWrite(Gin, HIGH) ;
          delay(TimeBetweenPours) ;
          Serial.println("Drink is done!") ;
          state = 0;
        }
        if (Serial.available())
        }
      int speed = Serial.parseInt();
      if (speed >= 0 && speed <= 255)
      }
    analogWrite(motorPin, speed);
    {
      {
        {