IOS ERROR : start page at 'www/index.html' was not found

Hi everyone,
When i compile my app with Ionic 3.9.2 and Cordova 7.0.1 On the splash screen the app stuck with a eternal loading, and I can not pass this, any idea?. Thanks in advance. Android doesn’t cause any problem.

This is my package.json :
“scripts”: {
“clean”: “ionic-app-scripts clean”,
“build”: “ionic-app-scripts build”,
“lint”: “ionic-app-scripts lint”,
“ionic:build”: “ionic-app-scripts build”,
“ionic:serve”: “ionic-app-scripts serve”
},
“dependencies”: {
"@angular/animations": “4.1.3”,
"@angular/common": “4.1.3”,
"@angular/compiler": “4.1.3”,
"@angular/compiler-cli": “4.1.3”,
"@angular/core": “4.1.3”,
"@angular/forms": “4.1.3”,
"@angular/http": “4.1.3”,
"@angular/platform-browser": “4.1.3”,
"@angular/platform-browser-dynamic": “4.1.3”,
"@ionic-native/app-version": “^4.0.1”,
"@ionic-native/core": “3.12.1”,
"@ionic-native/splash-screen": “3.12.1”,
"@ionic-native/status-bar": “3.12.1”,
"@ionic/cli-plugin-cordova": “^1.4.1”,
"@ionic/storage": “2.0.1”,
“angular2-jwt”: “^0.2.3”,
“angularfire2”: “4.0.0-rc.1”,
“auth0-js”: “^8.10.1”,
“chart.js”: “^2.6.0”,
“cordova-android”: “^6.2.3”,
“cordova-browser”: “^4.1.0”,
“cordova-plugin-console”: “^1.0.5”,
“cordova-plugin-device”: “^1.1.4”,
“cordova-plugin-splashscreen”: “^4.0.3”,
“cordova-plugin-statusbar”: “^2.2.2”,
“cordova-plugin-whitelist”: “^1.3.1”,
“exif-js”: “^2.2.1”,
“firebase”: “^4.1.3”,
“ion2-calendar”: “^1.0.7”,
“ionic-angular”: “3.5.0”,
“ionic-plugin-keyboard”: “^2.2.1”,
“ionicons”: “3.0.0”,
“moment”: “^2.18.1”,
“pdfjs-dist”: “^1.8.579”,
“promise-polyfill”: “6.0.2”,
“rxjs”: “5.4.0”,
“sw-toolbox”: “3.6.0”,
“zone.js”: “0.8.12”
},
“devDependencies”: {
"@angular/animations": “^4.1.3”,
"@ionic/app-scripts": “1.3.12”,
"@ionic/cli-plugin-cordova": “1.6.2”,
"@ionic/cli-plugin-ionic-angular": “1.4.1”,
“ionic”: “3.7.0”,
“typescript”: “2.3.4”
},
“cordova”: {
“plugins”: {
“cordova-plugin-console”: {},
“cordova-plugin-device”: {},
“cordova-plugin-splashscreen”: {},
“cordova-plugin-statusbar”: {},
“cordova-plugin-whitelist”: {},
“ionic-plugin-keyboard”: {},
“cordova-plugin-camera”: {}
},
“dependencies”: {
"@angular/animations": “4.1.3”,
"@angular/common": “4.1.3”,
"@angular/compiler": “4.1.3”,
"@angular/compiler-cli": “4.1.3”,
"@angular/core": “4.1.3”,
"@angular/forms": “4.1.3”,
"@angular/http": “4.1.3”,
"@angular/platform-browser": “4.1.3”,
"@angular/platform-browser-dynamic": “4.1.3”,
"@ionic-native/app-version": “^4.0.1”,
"@ionic-native/core": “3.12.1”,
"@ionic-native/splash-screen": “3.12.1”,
"@ionic-native/status-bar": “3.12.1”,
"@ionic/cli-plugin-cordova": “^1.4.1”,
"@ionic/storage": “2.0.1”,
“angular2-jwt”: “^0.2.3”,
“angularfire2”: “4.0.0-rc.1”,
“auth0-js”: “^8.8.0”,
“chart.js”: “^2.6.0”,
“cordova-android”: “^6.2.3”,
“cordova-browser”: “^4.1.0”,
“cordova-plugin-console”: “^1.0.5”,
“cordova-plugin-device”: “^1.1.4”,
“cordova-plugin-splashscreen”: “^4.0.3”,
“cordova-plugin-statusbar”: “^2.2.2”,
“cordova-plugin-whitelist”: “^1.3.1”,
“exif-js”: “^2.2.1”,
“promise-polyfill”: “6.0.2”,
“firebase”: “^4.1.3”,
“ion2-calendar”: “^1.0.7”,
“ionic-angular”: “3.5.0”,
“ionic-plugin-keyboard”: “^2.2.1”,
“ionicons”: “3.0.0”,
“pdfjs-dist”: “^1.8.579”,
“rxjs”: “5.4.0”,
“sw-toolbox”: “3.6.0”,
“zone.js”: “0.8.12”
},
“devDependencies”: {
"@ionic/app-scripts": “1.3.12”,
"@ionic/cli-plugin-ionic-angular": “1.3.2”,
“typescript”: “2.3.4”
},

I have the exact same problem, did you managed to fix this problem toncs ? also, stuck on eternal loading only the first few launchs and then it works