java.lang.NoClassDefFoundError: jenkins/scm/api/SCMNavigator

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jenkins/tasks/SimpleBuildStep
java.lang.NoClassDefFoundError: jenkins/scm/api/SCMNavigator	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:760)	at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1139)	at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:878)	at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1310)	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1366)	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)	at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)	at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:81)	at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:758)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at jenkins.util.AntClassLoader.findBaseClass(AntClassLoader.java:1398)	at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1075)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.getDeclaredMethods0(Native Method)	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)	at java.lang.Class.privateGetPublicMethods(Class.java:2902)	at java.lang.Class.getMethods(Class.java:1615)	at hudson.ExtensionFinder$GuiceFinder$SezpozModule.resolve(ExtensionFinder.java:477)	at hudson.ExtensionFinder$GuiceFinder$SezpozModule.configure(ExtensionFinder.java:506)	at com.google.inject.AbstractModule.configure(AbstractModule.java:62)	at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:230)	at com.google.inject.spi.Elements.getElements(Elements.java:103)	at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:136)	at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:104)	at com.google.inject.internal.InjectorImpl.createChildInjector(InjectorImpl.java:230)	at hudson.ExtensionFinder$GuiceFinder.refresh(ExtensionFinder.java:334)	at jenkins.model.Jenkins.refreshExtensions(Jenkins.java:2394)	at hudson.PluginManager.dynamicLoad(PluginManager.java:827)	at hudson.PluginManager.dynamicLoad(PluginManager.java:775)	at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1863)	at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1624)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:110)	at java.lang.Thread.run(Thread.java:745)Caused by: java.lang.ClassNotFoundException: jenkins.scm.api.SCMNavigator	at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)	at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)	at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	... 40 more