Build Project Structure with test suites, test cases and lay foundation of reporting : Errro message comes while executing the script

package suitea;

import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.aventstack.extentreports.ExtentReports;
import com.aventstack.extentreports.ExtentTest;
import com.aventstack.extentreports.Status;
import reports.ExtentManager;

public class TestA {

// declare object of extentreports,extenttest

ExtentReports rep;
ExtentTest test;
@BeforeMethod
public void init() // will initialize the report
{
rep = ExtentManager.getReports();
test = rep.createTest("Test A");

}

@AfterMethod
public void quit()
{
rep.flush();
}


@Test
public void testA() throws InterruptedException
{
System.out.println("StartingA");
test.log(Status.INFO, "StartingA");
Thread.sleep(2);
System.out.println("EndingA");
test.log(Status.INFO, "EndingA");

}

}

----------------------------------------------------------------------------------------------------------

[RemoteTestNG] detected TestNG version 7.0.0
Sun Sep 06 13-59-52 IST 2020
C:\Users\prabha\eclipse-workspace\ProjectStructure//reports//Sun Sep 06 13-59-52 IST 2020//ScreenShots
FAILED CONFIGURATION: @BeforeMethod init
java.lang.NoSuchMethodError: com.aventstack.extentreports.reporter.BasicFileReporter.<init>(Ljava/lang/String;)V
at com.aventstack.extentreports.reporter.ExtentSparkReporter.<init>(ExtentSparkReporter.java:35)
at reports.ExtentManager.getReports(ExtentManager.java:36)
at suitea.TestA.init(TestA.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
at java.util.ArrayList.forEach(Unknown Source)
at org.testng.TestRunner.privateRun(TestRunner.java:770)
at org.testng.TestRunner.run(TestRunner.java:591)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
at org.testng.SuiteRunner.run(SuiteRunner.java:304)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
at org.testng.TestNG.runSuites(TestNG.java:1032)
at org.testng.TestNG.run(TestNG.java:1000)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)

SKIPPED CONFIGURATION: @AfterMethod quit
SKIPPED: testA
java.lang.NoSuchMethodError: com.aventstack.extentreports.reporter.BasicFileReporter.<init>(Ljava/lang/String;)V
at com.aventstack.extentreports.reporter.ExtentSparkReporter.<init>(ExtentSparkReporter.java:35)
at reports.ExtentManager.getReports(ExtentManager.java:36)
at suitea.TestA.init(TestA.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:133)
at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:62)
at org.testng.internal.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:340)
at org.testng.internal.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:294)
at org.testng.internal.TestInvoker.runConfigMethods(TestInvoker.java:683)
at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:510)
at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:172)
at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:804)
at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:145)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
at java.util.ArrayList.forEach(Unknown Source)
at org.testng.TestRunner.privateRun(TestRunner.java:770)
at org.testng.TestRunner.run(TestRunner.java:591)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:402)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:396)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:355)
at org.testng.SuiteRunner.run(SuiteRunner.java:304)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1180)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1102)
at org.testng.TestNG.runSuites(TestNG.java:1032)
at org.testng.TestNG.run(TestNG.java:1000)
at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)

===============================================
Default test
Tests run: 1, Failures: 0, Skips: 1
Configuration Failures: 1, Skips: 1
===============================================

===============================================
Default suite
Total tests run: 1, Passes: 0, Failures: 0, Skips: 1
Configuration Failures: 1, Skips: 1
===============================================