Failed bundle email tool

ERROR 02 Oct 2018 18:04:20 org.joget.plugin.base.PluginManager  - Failed bundle installation from file:/C:/inetpub/wwwroot/wflow/plugins/email_with_template_plugin.zip.jar: org.osgi.framework.BundleException: Could not create bundle object.
org.osgi.framework.BundleException: Could not create bundle object.
    at org.apache.felix.framework.Felix.installBundle(Felix.java:3029)
    at org.apache.felix.framework.BundleContextImpl.installBundle(BundleContextImpl.java:167)
    at org.apache.felix.framework.BundleContextImpl.installBundle(BundleContextImpl.java:140)
    at org.joget.plugin.base.PluginManager.installBundle(PluginManager.java:264)
    at org.joget.plugin.base.PluginManager.installBundles(PluginManager.java:228)
    at org.joget.plugin.base.PluginManager.refresh(PluginManager.java:215)
    at org.joget.plugin.base.PluginManager.setApplicationContext(PluginManager.java:1199)
    at org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:119)
    at org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:94)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:408)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
    at org.joget.commons.spring.web.CustomContextLoaderListener.contextInitialized(CustomContextLoaderListener.java:31)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4728)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5162)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
    at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:917)
    at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1701)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
    at org.apache.felix.framework.cache.JarRevision.getMainAttributes(JarRevision.java:210)
    at org.apache.felix.framework.cache.JarRevision.getManifestHeader(JarRevision.java:104)
    at org.apache.felix.framework.BundleImpl.createRevision(BundleImpl.java:1241)
    at org.apache.felix.framework.BundleImpl.<init>(BundleImpl.java:113)
    at org.apache.felix.framework.Felix.installBundle(Felix.java:2976)
    ... 36 more