Ios app launch and close

Hi,
I am trying to run appium 1.8 using xcode 9.3, but my app close down immediately after launching

Below are the capabilities -

loadPropertyFile(“config.properties”);
// Start the Appium Server
Appiumserver.startAppiumServer();
File breathApk = new File(getValueOf(“TEST_APP_IOS”));
DesiredCapabilities capabilities = new DesiredCapabilities();
capabilities.setCapability(MobileCapabilityType.PLATFORM_NAME, “iOS”);
capabilities.setCapability(MobileCapabilityType.AUTOMATION_NAME, “XCUITest”);
// capabilities.setCapability(MobileCapabilityType.PLATFORM_VERSION, “9.3”);
capabilities.setCapability(MobileCapabilityType.DEVICE_NAME, “iPhone 6”);
capabilities.setCapability(MobileCapabilityType.APP, breathApk.getAbsolutePath());
capabilities.setCapability(“showXcodeLog”,“true”);
//capabilities.setCapability(“xcodeOrgId”,"");
capabilities.setCapability(“xcodeSigningId”,“[email protected]”);
capabilities.setCapability(MobileCapabilityType.FULL_RESET, true);
// capabilities.setCapability(“xcodeConfigfile”, “/Applications/Xcode.app/Contents/Developer”);
capabilities.setCapability(“newCommandTimeout”, 180);
iosDriver = new IOSDriver(new URL(“http://10.64.41.13:4723/wd/hub”), capabilities);
iosDriver.manage().timeouts().implicitlyWait(15, TimeUnit.SECONDS);

Please provide me permanent solution for this asap

Please provide the appium server logs.