iOS build error

[kelifine]

I am getting the following build errors when trying to build my app for iOS with this plugin:

/tmp/monaca/5b2aa820e788850e2420ea2a/project/platforms/ios/InsideOut Conversation Tracker/Plugins/cordova-plugin-keychain-touch-id/TouchID.m:38:24: error: unrecognized platform name iOS
if (@available(iOS 11.0, *)) {
^
/tmp/monaca/5b2aa820e788850e2420ea2a/project/platforms/ios/InsideOut Conversation Tracker/Plugins/cordova-plugin-keychain-touch-id/TouchID.m:39:32: error: property 'biometryType' not found on object of type 'LAContext *'
if (self.laContext.biometryType == LABiometryTypeFaceID) {
^
/tmp/monaca/5b2aa820e788850e2420ea2a/project/platforms/ios/InsideOut Conversation Tracker/Plugins/cordova-plugin-keychain-touch-id/TouchID.m:39:48: error: use of undeclared identifier 'LABiometryTypeFaceID'
if (self.laContext.biometryType == LABiometryTypeFaceID) {
^
3 errors generated.

[lloydmurray]

are you using an updated version of Xcode? Latest is 9.4.1