com.sun.proxy.$Proxy16 Error while execution - maven

Question

I'm trying my first exercise on Cucumber with Java. Getting error NullPointer and com.sun.proxy.$Proxy16 while executing.
Tried upgrading, downgrading various dependencies.
package com.cucu.runner;
import org.junit.runner.RunWith;
//import cucumber.api.CucumberOptions;
import io.cucumber.junit.Cucumber;
import io.cucumber.junit.CucumberOptions;
#RunWith(Cucumber.class)
#CucumberOptions
(
features= {".//src/main/java/com/cucu/feature/"},
glue="com.cucu.stepdef",
dryRun=false,
monochrome=true,
plugin= {"pretty","html:test-output"}
)
public class TestRunner_Cucumber {
}
Feature: LoginPage
Scenario: Successful Login with Valid Credentials
Given User launch the URL
When Page title should be "Welcome, please sign in!"
When User enters valid Username "admin#yourstore.com" and valid Password "admin"
When User clicks on LogIn button
Then User lands on the homepage and verifies the text
package com.cucu.stepdef;
import org.junit.Assert;
import org.openqa.selenium.WebDriver;
import com.cucu.configprop.TestBase;
import com.cucu.pages.LoginPage;
import cucumber.api.java.Before;
import cucumber.api.java.en.Given;
import cucumber.api.java.en.Then;
import cucumber.api.java.en.When;
public class StepDefinitions extends TestBase{
LoginPage loginPage = new LoginPage(driver);
#Before
public static void Start()
{
initialization();
}
#Given("User launch the URL")
public void user_launch_the_URL() {
launchURL();
}
#When("Page title should be \"([^\"]*)\"")
public void Page_title_should_be(String Title) {
String ActTitle = loginPage.titleValidation();
System.out.println(ActTitle);
Assert.assertSame(Title, ActTitle);
}
#When("User enters valid Username {string} and valid Password {string}")
public void user_enters_valid_Username_and_valid_Password(String username, String password) {
loginPage.enterEmail(username);
loginPage.enterPassword(password);
}
#When("User clicks on LogIn button")
public void user_clicks_on_LogIn_button() {
loginPage.clickLogIn();
}
#Then("User lands on the homepage and verifies the text")
public void user_lands_on_the_homepage_and_verifies_the_text() {
String DisplayText = loginPage.HeaderValidation();
Assert.assertSame("Incorrect Text", "Dashboard", DisplayText);
}
}
package com.cucu.configprop;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.support.ui.WebDriverWait;
import com.cucu.pages.CreateOrdersPage;
import com.cucu.pages.CreateUsersPage;
import com.cucu.pages.HomePage;
import com.cucu.pages.LoginPage;
public class TestBase {
public static WebDriver driver;
public static LoginPage loginPage;
public static HomePage homePage;
public static CreateUsersPage createUsersPage;
public static CreateOrdersPage createOrdersPage;
public static WebDriverWait waitTime;
public static Properties prop;
public TestBase()
{
try {
prop = new Properties();
FileInputStream inp = new FileInputStream("F:\\Azar\\Cucumber_Practice\\"
+ "src\\main\\java\\com\\cucu\\configprop\\config.properties");
prop.load(inp);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void initialization(){
String browserName = prop.getProperty("browser");
if(browserName.equals("chrome")){
System.setProperty("webdriver.chrome.driver","F:\\Installation\\chromedriver.exe");
driver = new ChromeDriver();
driver.manage().window().maximize();
driver.manage().deleteAllCookies();
}
}
public static void launchURL()
{
driver.get(prop.getProperty("url"));
}
public static void waitDriver()
{
waitTime = new WebDriverWait(driver, 2000);
}
}
When Page title should be "Welcome, please sign in!" # StepDefinitions.Page_title_should_be(String)
java.lang.NullPointerException
at org.openqa.selenium.support.pagefactory.DefaultElementLocator.findElement(DefaultElementLocator.java:69)
at org.openqa.selenium.support.pagefactory.internal.LocatingElementHandler.invoke(LocatingElementHandler.java:38)
at com.sun.proxy.$Proxy16.getText(Unknown Source)
at com.cucu.pages.LoginPage.titleValidation(LoginPage.java:39)
at com.cucu.stepdef.StepDefinitions.Page_title_should_be(StepDefinitions.java:31)