Experience editor error Message: Field editor button missing

Exception stack trace:

80 23:51:38 ERROR Failed to render rendering
Exception: System.InvalidOperationException
Message: Field editor button missing
Source: Sitecore.Kernel
   at Sitecore.Diagnostics.Assert.ResultNotNull[T](T result, String message)
   at Sitecore.JavaScriptServices.ViewEngine.Pipelines.GetChromeData.AddFieldEditorButton.GetFieldEditorButton(IList`1 fields)
   at Sitecore.JavaScriptServices.ViewEngine.Pipelines.GetChromeData.AddFieldEditorButton.Process(GetChromeDataArgs args)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Pipelines.GetChromeData.GetChromeDataPipeline.Run(GetChromeDataArgs args)
   at Sitecore.Mvc.ExperienceEditor.Presentation.RenderingMarker.GetClientData()
   at Sitecore.Mvc.ExperienceEditor.Presentation.RenderingMarker.get_ClientData()
   at Sitecore.Mvc.ExperienceEditor.Presentation.RenderingMarker.GetStart()
   at Sitecore.Mvc.ExperienceEditor.Presentation.Wrapper..ctor(TextWriter writer, IMarker marker)
   at Sitecore.Mvc.ExperienceEditor.Pipelines.Response.RenderRendering.AddWrapper.Process(RenderRenderingArgs args)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.Mvc.Pipelines.PipelineService.RunPipeline[TArgs](String pipelineName, TArgs args)
   at Sitecore.Mvc.Pipelines.Response.RenderPlaceholder.PerformRendering.Render(String placeholderName, TextWriter writer, RenderPlaceholderArgs args)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain, Boolean failIfNotExists)
   at Sitecore.Pipelines.DefaultCorePipelineManager.Run(String pipelineName, PipelineArgs args, String pipelineDomain)
   at Sitecore.LayoutService.ItemRendering.PlaceholderRenderingService.RenderPlaceholder(PlaceholderDefinition placeholderDefinition, IRenderingConfiguration renderingConfiguration)
   at System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext()
   at System.Linq.Enumerable.WhereEnumerableIterator`1.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Sitecore.LayoutService.ItemRendering.LayoutService.Render(Item item, IRenderingConfiguration renderingConfiguration, RenderOptions renderOptions)
   at Sitecore.JavaScriptServices.ViewEngine.Presentation.JsLayoutRenderer.ResolveFunctionArgs()
   at Sitecore.JavaScriptServices.ViewEngine.Presentation.JssRenderer.Render(TextWriter writer)
   at Sitecore.Mvc.Pipelines.Response.RenderRendering.ExecuteRenderer.Render(Renderer renderer, TextWriter writer, RenderRenderingArgs args)

7380 23:51:38 ERROR Application error.
Exception: System.Web.HttpUnhandledException
Message: An unhandled exception occurred.
Source: Sitecore.Mvc
   at Sitecore.Mvc.Pipelines.MvcEvents.Exception.ShowAspNetErrorMessage.ShowErrorMessage(ExceptionContext exceptionContext, ExceptionArgs args)
   at Sitecore.Mvc.Pipelines.MvcEvents.Exception.ShowAspNetErrorMessage.Process(ExceptionArgs args)
   at (Object , Object )
   at Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args)

Resolution:

Make sure WebEdit item exist in core database /core/sitecore/content/Applications/WebEdit/JavaScriptServices Buttons/Edit Fields