How do I fix this?

I got error on build.phonegap when I am tried build Android app.

BUILD FAILED

Total time: 6.558 secs

Error: /project/gradlew: Command failed with exit code 1 Error output:

Note: Some input files use or override a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

Note: Some input files use or override a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

/project/src/org/crosswalk/engine/XWalkWebViewEngine.java:55: error: XWalkWebViewEngine is not abstract and does not override abstract method evaluateJavascript(String,ValueCallback<String>) in CordovaWebViewEngine

public class XWalkWebViewEngine implements CordovaWebViewEngine {

^

Note: Some input files use or override a deprecated API.

Note: Recompile with -Xlint:deprecation for details.

1 error

FAILURE: Build failed with an exception.

* What went wrong:

Execution failed for task ':compileReleaseJavaWithJavac'.

Compilation failed; see the compiler error output for details.

* Try:

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

at ChildProcess.whenDone (/project/cordova/node_modules/cordova-common/src/superspawn.js:169:23)

at emitTwo (events.js:106:13)

at ChildProcess.emit (events.js:191:7)

at maybeClose (internal/child_process.js:877:16)

at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)