There are dependency errors loading some plugins:

• Gitlab Hook Plugin v1.4.2
  • ruby-runtime v0.12 is missing. To fix, install v0.12 or later.

 
There are errors in log file:
Failed Loading plugin ruby-runtime v0.12 (ruby-runtime) org.jruby.exceptions.RaiseException: (LoadError) no such file to load – haml at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:1027) at RUBY.require(jar:file:/C:/Program%20Files%20(x86)/Jenkins/plugins/ruby-runtime/WEB-INF/lib/jruby-complete-1.7.3.jar!/META-INF/jruby.home/lib/ruby/shared/rubygems/custom_require.rb:36) at RUBY.(root)(file:/C:/Program Files (x86)/Jenkins/plugins/ruby-runtime/WEB-INF/lib/stapler-jruby-1.209.jar!/org/kohsuke/stapler/jelly/jruby/haml/JRubyJellyHamlScript.rb:1) at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:1027) at RUBY.(root)(jar:file:/C:/Program%20Files%20(x86)/Jenkins/plugins/ruby-runtime/WEB-INF/lib/jruby-complete-1.7.3.jar!/META-INF/jruby.home/lib/ruby/shared/rubygems/custom_require.rb:1) at RUBY.require(jar:file:/C:/Program%20Files%20(x86)/Jenkins/plugins/ruby-runtime/WEB-INF/lib/jruby-complete-1.7.3.jar!/META-INF/jruby.home/lib/ruby/shared/rubygems/custom_require.rb:36) Caused: org.jruby.embed.EvalFailedException: (LoadError) no such file to load – haml at org.jruby.embed.internal.EmbedEvalUnitImpl.run(EmbedEvalUnitImpl.java:133) at org.jruby.embed.ScriptingContainer.runUnit(ScriptingContainer.java:1264) at org.jruby.embed.ScriptingContainer.runScriptlet(ScriptingContainer.java:1257) at org.kohsuke.stapler.jelly.jruby.haml.HamlLanguage.createContainer(HamlLanguage.java:28) at org.kohsuke.stapler.jelly.jruby.JRubyFacet.<init>(JRubyFacet.java:71) at ruby.RubyRuntimePlugin.registerJRubyFacet(RubyRuntimePlugin.java:39) at ruby.RubyRuntimePlugin.start(RubyRuntimePlugin.java:30) at hudson.ClassicPluginStrategy.startPlugin(ClassicPluginStrategy.java:536) at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:525) Caused: java.io.IOException: Failed to initialize at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:528) at hudson.PluginManager$2$1$1.run(PluginManager.java:517) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282) at jenkins.model.Jenkins$7.runTask(Jenkins.java:1090) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
Oct 26, 2017 9:43:21 AM SEVERE jenkins.InitReactorRunner$1 onTaskFailed
Failed Loading plugin Gitlab Hook Plugin v1.4.2 (gitlab-hook) java.io.IOException: Gitlab Hook Plugin v1.4.2 failed to load. - ruby-runtime v0.12 is missing. To fix, install v0.12 or later. at hudson.PluginWrapper.resolvePluginDependencies(PluginWrapper.java:626) at hudson.PluginManager$2$1$1.run(PluginManager.java:516) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282) at jenkins.model.Jenkins$7.runTask(Jenkins.java:1090) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)