FIXED Flutter iOS Error – MyCookieManager.swift – Cannot call value of non-function type 'String?

flutter inappwebview warning in flutter
Error Details:
Uncategorized (Xcode): Command CompileSwift failed with a nonzero exit code
Swift Compiler Error (Xcode): Cannot call value of non-function type ‘String?’
/Users/khaliqozil/development/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_inappwebview-5.7.2+3/ios/Classes/MyCookieManager.swift:259:43
Swift Compiler Error (Xcode): Cannot call value of non-function type ‘String?’
/Users/khaliqozil/development/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_inappwebview-5.7.2+3/ios/Classes/MyCookieManager.swift:293:43

Could not build the application for the simulator.