Cannot find type 'RealmApp' in scope

[hongfeiyang]

Describe the bug App failed to build on Xcode 12.4, macOS 10.15

To Reproduce Follow the instructions in read me. Create a new ionic app, import realm plugin, without doing anything just build an iOS version of the app, Xcode will fail to build with multiple errors that seems to be related to cannot find 'RealmApp' 'AppCredentials' in scope.

Expected behavior Should be able to build at least

Screenshots

Desktop (please complete the following information):

• OS: macOS 10.15
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: iPhone 12
• OS: iOS 14.4
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.