The Email is having issues and throws exception when a build is triggered by SCM poll. We are using TFS as our version tool. Please find the below email content for reference.

Exception raised during template rendering: getAffectedFiles() is not implemented by this SCM java.lang.UnsupportedOperationException: getAffectedFiles() is not implemented by this SCM at hudson.scm.ChangeLogSet$Entry.getAffectedFiles(ChangeLogSet.java:242) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) at groovy.lang.MetaClassImpl$GetBeanMethodMetaProperty.getProperty(MetaClassImpl.java:3500) at org.codehaus.groovy.runtime.callsite.GetEffectivePojoPropertySite.getProperty(GetEffectivePojoPropertySite.java:61) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGetProperty(AbstractCallSite.java:227) at SimpleTemplateScript2$_run_closure1.doCall(SimpleTemplateScript2.groovy:45) 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.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:272) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:903) at groovy.lang.Closure.call(Closure.java:415) at groovy.lang.Closure.call(Closure.java:428) at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1379) at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1351) at org.codehaus.groovy.runtime.dgm$170.invoke(Unknown Source) at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:271) at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:53) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at SimpleTemplateScript2.run(SimpleTemplateScript2.groovy:36) at groovy.text.SimpleTemplateEngine$SimpleTemplate$1.writeTo(SimpleTemplateEngine.java:165) at groovy.text.SimpleTemplateEngine$SimpleTemplate$1.toString(SimpleTemplateEngine.java:177) at hudson.plugins.emailext.plugins.content.ScriptContent.renderTemplate(ScriptContent.java:138) at hudson.plugins.emailext.plugins.content.ScriptContent.evaluate(ScriptContent.java:75) at org.jenkinsci.plugins.tokenmacro.DataBoundTokenMacro.evaluate(DataBoundTokenMacro.java:189) at org.jenkinsci.plugins.tokenmacro.TokenMacro.expand(TokenMacro.java:182) at org.jenkinsci.plugins.tokenmacro.TokenMacro.expandAll(TokenMacro.java:233) at hudson.plugins.emailext.plugins.ContentBuilder.transformText(ContentBuilder.java:71) at hudson.plugins.emailext.ExtendedEmailPublisher.addContent(ExtendedEmailPublisher.java:671) at hudson.plugins.emailext.ExtendedEmailPublisher.createMail(ExtendedEmailPublisher.java:550) at hudson.plugins.emailext.ExtendedEmailPublisher.sendMail(ExtendedEmailPublisher.java:331) at hudson.plugins.emailext.ExtendedEmailPublisher._perform(ExtendedEmailPublisher.java:322) at hudson.plugins.emailext.ExtendedEmailPublisher.perform(ExtendedEmailPublisher.java:230) at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20) at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:761) at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:721) at hudson.model.Build$BuildExecution.cleanUp(Build.java:192) at hudson.model.Run.execute(Run.java:1764) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43) at hudson.model.ResourceController.execute(ResourceController.java:89) at hudson.model.Executor.run(Executor.java:240)