Hello everyone, I need your help. I'm new to using Jaspersoft, and I'm trying to compile my report in an older version. I'm currently using Jaspersoft Studio Professional-8.1.0. I searched the documentation on how to compile for previous versions, followed the step-by-step instructions, but when I click on compile, it shows me the following error. exception, Reason: java.lang.NoClassDefFoundError: org/apache/http/HttpEntity java.lang.RuntimeException: java.lang.NoClassDefFoundError: org/apache/http/HttpEntity at net.sf.jasperreports.eclipse.builder.JasperReportCompiler.compileReport(JasperReportCompiler.java:142) at net.sf.jasperreports.eclipse.builder.JasperReportsBuilder.compileJRXML(JasperReportsBuilder.java:220) at com.jaspersoft.studio.editor.action.CompileAction.actionCompile(CompileAction.java:159) at com.jaspersoft.studio.editor.action.CompileAction$1.run(CompileAction.java:101) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.lang.NoClassDefFoundError: org/apache/http/HttpEntity at com.jaspersoft.jasperreports.jrs.bursting.ServerConnectionScheduler.<init>(ServerConnectionScheduler.java:45) at com.jaspersoft.jasperreports.jrs.bursting.BurstingExtensions.createRegistry(BurstingExtensions.java:24) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.instantiateRegistry(DefaultExtensionsRegistry.java:238) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.loadRegistries(DefaultExtensionsRegistry.java:213) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.loadRegistries(DefaultExtensionsRegistry.java:163) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.getRegistries(DefaultExtensionsRegistry.java:133) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.getExtensions(DefaultExtensionsRegistry.java:105) at net.sf.jasperreports.engine.component.ComponentsEnvironment.findComponentBundles(ComponentsEnvironment.java:89) at net.sf.jasperreports.engine.component.ComponentsEnvironment.getCachedComponentBundles(ComponentsEnvironment.java:78) at net.sf.jasperreports.engine.component.ComponentsEnvironment.getComponentBundles(ComponentsEnvironment.java:66) at net.sf.jasperreports.engine.xml.JRReportSaxParserFactory.getSchemaLocations(JRReportSaxParserFactory.java:76) at net.sf.jasperreports.engine.xml.BaseSaxParserFactory.configureParser(BaseSaxParserFactory.java:131) at net.sf.jasperreports.engine.xml.BaseSaxParserFactory.createParser(BaseSaxParserFactory.java:94) at net.sf.jasperreports.engine.xml.JRXmlDigesterFactory.createParser(JRXmlDigesterFactory.java:1342) at net.sf.jasperreports.engine.xml.JRXmlDigesterFactory.createDigester(JRXmlDigesterFactory.java:1318) at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:207) at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:172) at net.sf.jasperreports.engine.xml.JRXmlLoader.load(JRXmlLoader.java:156) at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:82) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at net.sf.jasperreports.eclipse.builder.JasperReportCompiler.compileReport(JasperReportCompiler.java:118) ... 4 more Caused by: java.lang.ClassNotFoundException: org.apache.http.HttpEntity at java.base/java.net.URLClassLoader.findClass(Unknown Source) at java.base/java.lang.ClassLoader.loadClass(Unknown Source) at java.base/java.net.FactoryURLClassLoader.loadClass(Unknown Source) at java.base/java.lang.ClassLoader.loadClass(Unknown Source) ... 28 more I have already downloaded the necessary libraries for the version I need from the internet and imported them into Jaspersoft Studio, but the error persists. It has even shown me other libraries at times. Any ideas on how I can compile it? Thank you in advance for your help.