Duplicate symbol compile error

[thedocbwarren]

Issue building with use of this plugin and WKWebView.

duplicate symbol 'OBJC_IVAR$_CDVSpinnerDialog._overlay'
duplicate symbol 'OBJC_IVAR$_CDVSpinnerDialog._messageView'
duplicate symbol 'OBJC_IVAR$_CDVSpinnerDialog._indicator'
duplicate symbol 'OBJC_CLASS$_CDVSpinnerDialog'
duplicate symbol 'OBJC_IVAR$_CDVSpinnerDialog.title'
duplicate symbol 'OBJC_IVAR$_CDVSpinnerDialog.message'
duplicate symbol 'OBJC_IVAR$_CDVSpinnerDialog.isFixed'
duplicate symbol 'OBJC_IVAR$_CDVSpinnerDialog.callbackId'

Version is Cordova 9.0.0 on macOS 10.15.2 building for iOS