Visible @interface for 'HWPHello'

Hello, when I try to build on ios the following error appears

can help me, since already thank you

No visible @interface for ‘HWPHello’ declare the selector ‘success: callbackId:’

Ionic:

Ionic CLI : 6.2.1 (/usr/local/lib/node_modules/@ionic/cli)
Ionic Framework : @ionic/angular 4.11.10
@angular-devkit/build-angular : 0.803.23
@angular-devkit/schematics : 8.1.3
@angular/cli : 8.1.3
@ionic/angular-toolkit : 2.0.0

Cordova:

Cordova CLI : 9.0.0 (cordova-lib@9.0.1)
Cordova Platforms : browser 6.0.0, ios 5.1.1
Cordova Plugins : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 4.1.1, (and 21 other plugins)

Utility:

cordova-res (update available: 0.10.0) : 0.9.0
native-run (update available: 0.3.0) : 0.2.8

System:

ios-sim : 8.0.2
NodeJS : v10.16.3 (/usr/local/bin/node)
npm : 6.13.7
OS : macOS Catalina
Xcode : Xcode 11.3.1 Build version 11C504

Hi! I used the answer of this post https://github.com/ionic-team/ionic/issues/13445 and It worked excellent. By the way my OS is macOS Mojave