Failed to load hudson.plugins.robot.blueocean.BlueRobotTestResult$FactoryImpl

java.lang.InstantiationException: java.lang.NoClassDefFoundError: io/jenkins/blueocean/rest/factory/BlueTestResultFactory
	at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
	at hudson.ExtensionFinder.getClassFromIndex(ExtensionFinder.java:746)
	at hudson.ExtensionFinder.access$900(ExtensionFinder.java:90)
	at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:706)
	at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:695)
	at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:346)
	at hudson.ExtensionList.load(ExtensionList.java:381)
	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:317)
	at hudson.ExtensionList.getComponents(ExtensionList.java:183)
	at jenkins.model.Jenkins$6.onInitMilestoneAttained(Jenkins.java:1161)
	at jenkins.InitReactorRunner$1.onAttained(InitReactorRunner.java:85)
	at org.jvnet.hudson.reactor.ReactorListener$Aggregator.lambda$onAttained$3(ReactorListener.java:102)
	at org.jvnet.hudson.reactor.ReactorListener$Aggregator.run(ReactorListener.java:109)
	at org.jvnet.hudson.reactor.ReactorListener$Aggregator.onAttained(ReactorListener.java:102)
	at org.jvnet.hudson.reactor.Reactor$1.run(Reactor.java:177)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NoClassDefFoundError: io/jenkins/blueocean/rest/factory/BlueTestResultFactory
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:757)
	at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1155)
	at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:715)
	at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1326)
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1377)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1342)
	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
	at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:81)
	at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:2042)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
	at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
	... 19 more
Caused by: java.lang.ClassNotFoundException: io.jenkins.blueocean.rest.factory.BlueTestResultFactory
	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1387)
	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1342)
	at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1089)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
	... 35 more