I have set up new Automation framework and getting java.lang.AbstractMethodError when I execute from testng.xml
java.lang.AbstractMethodError: org.testng.remote.support.RemoteTestNG6_9_7$DelegatingTestRunnerFactory.newTestRunner(Lorg/testng/ISuite;Lorg/testng/xml/XmlTest;Ljava/util/List;)Lorg/testng/TestRunner;
at org.testng.SuiteRunner$ProxyTestRunnerFactory.newTestRunner(SuiteRunner.java:544)
at org.testng.SuiteRunner.init(SuiteRunner.java:142)
at org.testng.SuiteRunner.<init>(SuiteRunner.java:106)
at org.testng.TestNG.createSuiteRunner(TestNG.java:1108)
at org.testng.TestNG.createSuiteRunners(TestNG.java:1095)
at org.testng.TestNG.runSuitesLocally(TestNG.java:947)
at org.testng.TestNG.run(TestNG.java:892)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:132)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:236)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:81)