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    Thrown to indicate that a method has been passed an illegal or inappropriate argument. Check that you don't have more than one method existing with the same name.

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java.lang.IllegalArgumentException: argument type mismatch	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:86)	at org.testng.internal.Invoker.invokeMethod(Invoker.java:643)	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:820)	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1128)	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129)	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)	at org.testng.TestRunner.privateRun(TestRunner.java:782)	at org.testng.TestRunner.run(TestRunner.java:632)	at org.testng.SuiteRunner.runTest(SuiteRunner.java:366)	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:361)	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:319)	at org.testng.SuiteRunner.run(SuiteRunner.java:268)	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1244)	at org.testng.TestNG.runSuitesLocally(TestNG.java:1169)	at org.testng.TestNG.run(TestNG.java:1064)	at org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:72)	at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:124)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)