Ionic 4 - IOS build fails

IOS build fails
We are using Ionic, we are able to successfully archive and export the app. But when we try to build it to a device in Xcode, It fails to build with following errors. Please guide us through this.
We are using sample code from git (

We are using following version

  • Catalina OS (version - 10.15.3)

  • Xcode - 11.3

  • Ionic version is as follows


     Ionic CLI                     : 5.4.15 (/usr/local/lib/node_modules/ionic)
     Ionic Framework               : @ionic/angular 4.11.10
     @angular-devkit/build-angular : 0.13.9
     @angular-devkit/schematics    : 7.3.9
     @angular/cli                  : 7.3.9
     @ionic/angular-toolkit        : 1.5.1


     Cordova CLI       : 9.0.0 (cordova-lib@9.0.1)
     Cordova Platforms : ios 5.1.1
     Cordova Plugins   : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.1.3, (and 4 other plugins)


     cordova-res : not installed
     native-run  : 0.3.0


     ios-deploy : 1.10.0
     ios-sim    : 8.0.2
     NodeJS     : v10.18.1 (/usr/local/bin/node)
     npm        : 6.13.4
     OS         : macOS Catalina
     Xcode      : Xcode 11.3.1 Build version 11C504

Hi meetings1,

Thanks for the post and the details. The Ionic SDK has a version that supports iOS simulators and a version that doesn’t. Which one are you using?

Our iOS SDK has 2 versions, and it requires a configuration before publishing the app:

Based on the error message, the following post might be helpful:

Hope this helps. Thanks!

We are using SDK without simulator support