error: no visible @interface for 'UIView' declares the selector 'loadRequest:'

[AlbertoFCasarrubias]

Hi, im trying to isntall with my own projecto of cordova and i get the following error:

/test/platforms/ios/Viewer/Classes/AppDelegate.m:128:34: error: no visible
@interface for 'UIView' declares the selector 'loadRequest:'
[self.viewController.webView loadRequest: request];
~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~
1 error generated.
...
** BUILD FAILED **

The following build commands failed:
CompileC build/Viewer.build/Debug-iphonesimulator/Viewer.build/Objects-normal/i386/AppDelegate.o Viewer/Classes/AppDelegate.m normal i386 objective-c com.apple.compilers.llvm.clang.1_0.compiler
(1 failure)
Error: Error code 65 for command: xcodebuild with args: -xcconfig,/Users/beto/Documents/cordova/Qualiametrics/test/platforms/ios/cordova/build-debug.xcconfig,-project,Viewer.xcodeproj,ARCHS=i386,-target,Viewer,-configuration,Debug,-sdk,iphonesimulator,build,VALID_ARCHS=i386,CONFIGURATION_BUILD_DIR=/Users/beto/Documents/cordova/Qualiametrics/test/platforms/ios/build/emulator,SHARED_PRECOMPS_DIR=/Users/beto/Documents/cordova/Qualiametrics/test/platforms/ios/build/sharedpch