java.lang.ClassNotFoundException: org.jenkinsci.plugins.ssegateway.SubscriptionConfigQueue$SubscriptionConfig
        at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445)
        at jenkins.util.URLClassLoader2.findClass(URLClassLoader2.java:64)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:593)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
Caused: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/ssegateway/SubscriptionConfigQueue$SubscriptionConfig
        at PluginClassLoader for sse-gateway//org.jenkinsci.plugins.ssegateway.SubscriptionConfigQueue.stop(SubscriptionConfigQueue.java:106)
        at PluginClassLoader for sse-gateway//org.jenkinsci.plugins.ssegateway.Endpoint$SSEListenChannelFilter.destroy(Endpoint.java:253)
        at io.jenkins.servlet.FilterWrapper$1.destroy(FilterWrapper.java:59)
        at hudson.util.PluginServletFilter.cleanUp(PluginServletFilter.java:232)
        at jenkins.model.Jenkins._cleanUpPluginServletFilters(Jenkins.java:3910)
        at jenkins.model.Jenkins.cleanUp(Jenkins.java:3607)
        at hudson.lifecycle.UnixLifecycle.restart(UnixLifecycle.java:68)
        at jenkins.model.Jenkins$20.run(Jenkins.java:4664)