Getting Error orgopenqaseleniumSessionNotCreatedException A new session could not be created Original error Command failed adb failed to install CProgram Files x86Appiumnode_modulesappiumbuildsettings_apksettings_apk-debugapk Failure INSTALL_FAILED_VERSION_DOWNGRADE need quick help

public class Conatcmanagertestcase {
	WebDriver driver;
	@Test
	public void testApp() throws MalformedURLException,InterruptedException{
		File app=new File("D:\\testingking\\DecJAVABatchVivek\\Appium_pratice\\src\\test\\resources\\apk\\Drag Sort Demos_v0.5.0_apkpure.com.apk");
		DesiredCapabilities caps= new DesiredCapabilities();
		caps.setCapability("deviceName","Galaxy J7 Prime");
		caps.setCapability("platformName","Android");
	    //caps.setCapability(MobileCapabilityType.APP_PACKAGE, "com.whatsapp");
	    caps.setCapability("app", app.getAbsolutePath());
	   // caps.setCapability("appPackage", "com.whatsapp");
	   // caps.setCapability("appActivity", "com.whatsapp.Main");

	 
	    driver = new AndroidDriver<MobileElement>(new URL ("http://127.0.0.1:4723/wd/hub"),caps);   //127.0.0.1:4723
	    driver.manage().timeouts().implicitlyWait(5,TimeUnit.SECONDS);// implicit or global wait
	    Thread.sleep(3000);
	
	
	
	}}