Ionic Cordova Build --Prod flag not working in iOS Xcode 10

There is absolutely no such build issues with the Android. Below compiler error I am getting while executing the ionic cordova build ios --release --prod – --buildFlag="-UseModernBuildSystem=0"

syntax error near unexpected token `newline'

74-80-250-211:ios user913708$ [ERROR] An error occurred while running subprocess ionic-app-scripts.

-bash: [ERROR]: command not found

74-80-250-211:ios user913708$         

74-80-250-211:ios user913708$         ionic-app-scripts build --prod --target cordova --platform ios exited 

        with exit code 1.

        

        Re-running this command with the --verbose flag may provide more 

        information.[12:36:57]  ionic-app-scripts 3.2.0 

[12:36:57]  build prod started ... 

[12:36:57]  ionic-app-script task: "build" 

[12:36:57]  Error: tsconfig: Cannot read file '/Users/user913708/vedichoroo/vedichoroo/platforms/ios/tsconfig.json': 

            ENOENT: no such file or directory, open 

            '/Users/user913708/vedichoroo/vedichoroo/platforms/ios/tsconfig.json'. 

Error: tsconfig: Cannot read file '/Users/user913708/vedichoroo/vedichoroo/platforms/ios/tsconfig.json': ENOENT: no such file or directory, open '/Users/user913708/vedichoroo/vedichoroo/platforms/ios/tsconfig.json'.

    at new BuildError (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/util/errors.js:16:28)

    at getTsConfig (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/transpile.js:313:15)

    at Object.<anonymous> (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/transpile.js:298:46)

    at step (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/transpile.js:32:23)

    at Object.next (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/transpile.js:13:53)

    at /Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/transpile.js:7:71

    at new Promise (<anonymous>)

    at __awaiter (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/transpile.js:3:12)

    at Object.getTsConfigAsync (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/transpile.js:295:12)

    at Object.validateRequiredFilesExist (/Users/user913708/vedichoroo/vedichoroo/node_modules/@ionic/app-scripts/dist/build/util.js:89:21)

74-80-250-211:ios user913708$         with exit code 1

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