scad bot obstacle giving multiple errors

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SPI.h>
#include <Pixy.h>

Pixy pixy;

uint8_t i = 0; // iterate between signatures
int state ;
//end

// Ultrasonic sensor variables
#define TRIGGER_RIGHT 4 //blue right
#define ECHO_RIGHT 3
#define TRIGGER_LEFT 9 //black left
#define ECHO_LEFT 8
#define PING_MIN_DISTANCE 60 //40 cm = 16 inches

static long rigth_sensor (void);
static long left_sensor (void);

long distance_right, duration_right;
long distance_left, duration_left;
//end

LiquidCrystal_I2C lcd(0x3F,2,1,0,4,5,6,7,3);

//setting pin for motors
uint8_t motor_left = 5;
uint8_t motor_right = 6;
int speed = 64;
//end;

void setup() {
// serial monotor
Serial.begin(9600);
Serial.print(“Starting…\n”);
//lcd
lcd.begin(20,4);
lcd.clear();
pixy.init();

//motors
pinMode(motor_left, OUTPUT);
pinMode(motor_right, OUTPUT);
// //ultrasonic sensor
pinMode(TRIGGER_RIGHT, OUTPUT);
pinMode(TRIGGER_LEFT, OUTPUT);
pinMode(ECHO_RIGHT, INPUT);
pinMode(ECHO_LEFT, INPUT);

}
void loop()
{
pixy.getBlocks();
Serial.println (pixy.blocks*.signature);*
_ if (pixy.blocks*.signature == 2) // signature 1*_
* {*
* state = LOW;*
* Serial.println("Stop, sig 2 ");*
* }*
_ if (pixy.blocks*.signature == 1) // signature 2*
* {
state = HIGH;
Serial.println(“Forward , sig 1”);
}
switch (state)
{
case HIGH :{_
motor_stop();
_ lcd.setCursor(0, 2);
lcd.print("All Stop ");*_

* break;*
* }*
* case LOW :{*

* obstacle_avoid();*

* delay(1000);*
}
}
}

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