"Variable" not declared in this scope

#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
#include <ArduinoOTA.h>

/*****************************************************************************************
BOT SETUP STARTS HERE
*****************************************************************************************/
void setup(){

// SETUP Motors
// See https://www.wemos.cc/product/d1-mini.html
// See https://esp8266.ru/forum/attachments/d1-mini-esp8266-pinout-jpg.1541/
const int Motor_L_F = 4; // D0 on the Wemos
const int Motor_L_B = 5; // D5 on the Wemos
const int Motor_R_F = 6; // D6 on the Wemos
const int Motor_R_B = 7; // D7 → D0 16
pinMode(Motor_L_F, OUTPUT); // Initialize the LED_BUILTIN pin as an output
pinMode(Motor_L_B, OUTPUT); // Initialize the LED_BUILTIN pin as an output
pinMode(Motor_R_F, OUTPUT); // Initialize the LED_BUILTIN pin as an output
pinMode(Motor_R_B, OUTPUT); // Initialize the LED_BUILTIN pin as an output
digitalWrite(Motor_L_F, HIGH); // Turn the LED off by making the voltage HIGH
digitalWrite(Motor_L_B, HIGH); // Turn the LED off by making the voltage HIGH
digitalWrite(Motor_R_F, HIGH); // Turn the LED off by making the voltage HIGH
digitalWrite(Motor_R_B, HIGH); // Turn the LED off by making the voltage HIGH
delay(10000);
}

/*****************************************************************************************
BOT CONTROL STARTS HERE
*****************************************************************************************/
void loop() {
// the loop function runs over and over again forever
// ArduinoOTA.handle();

// Blink
digitalWrite(LED_BUILTIN, HIGH);
delay(100);
digitalWrite(LED_BUILTIN, LOW);
delay(100);

// Left Forward
Serial.println(“Forward”);
digitalWrite(Motor_L_F, LOW); // Turn the Left Motor Forward on (Note that LOW is the voltage level
digitalWrite(Motor_R_F, LOW); // Turn the Left Motor Forward on (Note that LOW is the voltage level
delay(1000); // Wait for a second
Serial.println(“Stop”);
digitalWrite(Motor_L_F, HIGH); // Turn the LEFT MOTOR OFF by making the voltage HIGH
digitalWrite(Motor_R_F, HIGH); // Turn the Left Motor Forward on (Note that LOW is the voltage level
delay(2000); // Wait for two seconds (to demonstrate the active low LED)

// Left Turn
Serial.println(“Forward”);
digitalWrite(Motor_L_F, HIGH); // Turn the Left Motor Forward off
digitalWrite(Motor_R_F, LOW); // Turn the Left Motor Forward on
delay(1000); // Wait for a second
Serial.println(“Stop”);
digitalWrite(Motor_L_F, HIGH); // Turn the LEFT MOTOR OFF by making the voltage HIGH
digitalWrite(Motor_R_F, HIGH); // Turn the Left Motor Forward on (Note that LOW is the voltage level
delay(2000); // Wait for two seconds (to demonstrate the active low LED)

}

Error Message

C:\Users\kodyc\Documents\Arduino\Mr_Carrols_Instructions\sketch_mar14a\sketch_mar14a.ino: In function ‘void loop()’:

sketch_mar14a:58: error: ‘Motor_L_F’ was not declared in this scope

digitalWrite(Motor_L_F, LOW); // Turn the Left Motor Forward on (Note that LOW is the voltage level

^

sketch_mar14a:59: error: ‘Motor_R_F’ was not declared in this scope

digitalWrite(Motor_R_F, LOW); // Turn the Left Motor Forward on (Note that LOW is the voltage level

^

exit status 1
‘Motor_L_F’ was not declared in this scope

Any help would be appreicated as i am new and not very good at this

Make these global
Motor_L_F
Motor_R_F
etc.

.