Ionic app halts at splash screen when running with ‘–prod’ build

Hi

Suddenly my app halts at splash with prod build.
I don’t know what mistake i have done. But suddenly it stops working
Can i know the reason for this.

Here is my package.json

“dependencies”: {
@angular/animations”: “5.0.1”,
@angular/common”: “5.0.1”,
@angular/compiler”: “5.0.1”,
@angular/compiler-cli”: “5.0.1”,
@angular/core”: “5.0.1”,
@angular/forms”: “5.0.1”,
@angular/http”: “5.0.1”,
@angular/platform-browser”: “5.0.1”,
@angular/platform-browser-dynamic”: “5.0.1”,
@ionic-native/android-permissions”: “^4.5.3”,
@ionic-native/calendar”: “^4.5.2”,
@ionic-native/camera”: “^4.4.2”,
@ionic-native/core”: “4.4.0”,
@ionic-native/facebook”: “^4.7.0”,
@ionic-native/geolocation”: “^4.5.2”,
@ionic-native/keyboard”: “^4.5.2”,
@ionic-native/launch-navigator”: “^4.5.2”,
@ionic-native/network”: “^4.7.0”,
@ionic-native/photo-library”: “^4.4.2”,
@ionic-native/push”: “^4.5.2”,
@ionic-native/screen-orientation”: “^4.7.0”,
@ionic-native/social-sharing”: “^4.4.2”,
@ionic-native/splash-screen”: “4.4.0”,
@ionic-native/status-bar”: “^4.4.0”,
@ionic-native/toast”: “^4.5.2”,
@ionic-native/youtube-video-player”: “^4.7.0”,
@ionic/storage”: “2.1.3”,
@ngx-translate/core”: “^9.0.1”,
@ngx-translate/http-loader”: “^2.0.0”,
@types/googlemaps”: “^3.30.0”,
“angular-shorturl”: “^0.1.7”,
“animate.css”: “^3.5.2”,
“app-scripts”: “0.0.0”,
“browse”: “0.4.0”,
“cordova-android”: “6.3.0”,
“cordova-browser”: “5.0.3”,
“cordova-ios”: “4.5.4”,
“cordova-plugin-actionsheet”: “^2.3.3”,
“cordova-plugin-add-swift-support”: “^1.6.0”,
“cordova-plugin-android-permissions”: “^1.0.0”,
“cordova-plugin-calendar”: “^5.0.0”,
“cordova-plugin-camera”: “^3.0.0”,
“cordova-plugin-device”: “^1.1.7”,
“cordova-plugin-dialogs”: “^2.0.1”,
“cordova-plugin-geolocation”: “^3.0.0”,
“cordova-plugin-ionic-webview”: “^1.1.16”,
“cordova-plugin-network-information”: “^2.0.1”,
“cordova-plugin-screen-orientation”: “^3.0.1”,
“cordova-plugin-sms”: “^1.0.5”,
“cordova-plugin-splashscreen”: “^4.1.0”,
“cordova-plugin-statusbar”: “^2.4.1”,
“cordova-plugin-whitelist”: “^1.3.3”,
“cordova-plugin-x-socialsharing”: “^5.2.1”,
“cordova-plugin-x-toast”: “^2.6.0”,
“cordova-plugin-youtube-video-player”: “^1.0.6”,
“countly-sdk-js”: “git+https://github.com/Countly/countly-sdk-js.git#push”,
“es6-promise-plugin”: “^4.1.0”,
“intl”: “^1.2.5”,
“ionic-angular”: “3.9.2”,
“ionic-gallery-modal”: “^0.2.7”,
“ionic-plugin-keyboard”: “^2.2.1”,
“ionic2-auto-complete”: “^1.6.2-alpha”,
“ionic2-calendar”: “^0.4.2”,
“ionic2-rating”: “^1.2.2”,
“ionicons”: “3.0.0”,
“ly.count.cordova”: “https://github.com/Countly/countly-sdk-js.git#push”,
“ngx-bootstrap”: “^2.0.0-rc.0”,
“ngx-facebook”: “^2.4.0”,
“ngx-qrcode2”: “0.0.5”,
“phonegap-plugin-push”: “^1.10.6”,
“rxjs”: “5.5.2”,
“sw-toolbox”: “3.6.0”,
“uk.co.workingedge.phonegap.plugin.launchnavigator”: “^4.1.3”,
“web-animations-js”: “^2.3.1”,
“zone.js”: “0.8.18”
},
“devDependencies”: {
@angular/cli”: “^1.6.7”,
@ionic/app-scripts”: “3.1.2”,
“typescript”: “^2.6.2”,
“ws”: “3.3.2”
},
“description”: “An Ionic project”,
“cordova”: {
“plugins”: {
“ionic-plugin-keyboard”: {
“GEOLOCATION_USAGE_DESCRIPTION”: “To locate you”
},
“phonegap-plugin-push”: {
“SENDER_ID”: “”
},
“cordova-plugin-whitelist”: {},
“cordova-plugin-device”: {},
“cordova-plugin-splashscreen”: {},
“cordova-plugin-ionic-webview”: {},
“cordova-plugin-camera”: {},
“cordova-plugin-statusbar”: {},
“cordova-plugin-sms”: {},
“cordova-plugin-screen-orientation”: {},
“cordova-plugin-x-socialsharing”: {},
“cordova-plugin-calendar”: {},
“cordova-plugin-geolocation”: {
“GEOLOCATION_USAGE_DESCRIPTION”: “To locate you”
},
“uk.co.workingedge.phonegap.plugin.launchnavigator”: {},
“cordova-plugin-x-toast”: {},
“ly.count.cordova”: {},
“cordova-plugin-android-permissions”: {},
“cordova-plugin-network-information”: {},
“cordova-plugin-youtube-video-player”: {},
“cordova-plugin-facebook4”: {
“APP_ID”: “”,
“APP_NAME”: “”
}
},

Regards,
Vinay