Sonar Scanner Exception, execution failure

 Error while executing the sonar scanner. 
Need to run Sonar cast. Have configured file under conf. Added Sonarqube path in environment varibales. 
    Have run the sonarqube- StartSonar.bat  batch file    
    Below error occurred on run of below command:
        C:\Sonar\Solutions_Browser>C:\Sonar\sonar-scanner-\bin\sonar-scanner.bat -X


            08:57:20.490 ERROR: Error during SonarQube Scanner execution
                org.sonar.squidbridge.api.AnalysisException: Please provide compiled classes of
                your project with property

org.sonarsource.scanner.cli.Main.main( 08:57:20.599 DEBUG: Execution getVersion 08:57:20.615 DEBUG: Execution stop

Thank u in advance