I am getting error only for Publish related items. I have installed sitecore.support.13144.dll also. No luck after that.
Job started: Publish to 'web'|#Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object. at Sitecore.XA.Foundation.Publication.Pipelines.GetItemReferences.AddReferencedItemsToQueue.AddAllReferences(Item item, PublishOptions options) at Sitecore.XA.Foundation.Publication.Pipelines.GetItemReferences.AddReferencedItemsToQueue.GetReferencedItems(PublishItemContext context) at Sitecore.XA.Foundation.Publication.Pipelines.GetItemReferences.AddReferencedItemsToQueue.GetItemReferences(PublishItemContext context) at Sitecore.Publishing.Pipelines.GetItemReferences.GetItemReferencesProcessor.Process(PublishItemContext context) 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, Boolean failIfNotExists) at Sitecore.Publishing.Pipelines.GetItemReferences.GetItemReferencesPipeline.Run(PublishItemContext context, Boolean failIfNotExists) 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.Publishing.Pipelines.PublishItem.PublishItemPipeline.Run(PublishItemContext context) at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context, List`1& referrers, List`1& children) at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessPublishingCandidate(PublishingCandidate entry, PublishContext context) at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.ProcessEntries(IEnumerable`1 entries, PublishContext context) at Sitecore.Publishing.Pipelines.Publish.ProcessQueue.Process(PublishContext context) 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.Publishing.Pipelines.Publish.PublishPipeline.Run(PublishContext context) at Sitecore.Publishing.Publisher.PublishWithResult() --- End of inner exception stack trace --- at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at Sitecore.Reflection.ReflectionUtil.InvokeMethod(MethodInfo method, Object[] parameters, Object obj) at Sitecore.Jobs.JobRunner.RunMethod(JobArgs 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.Jobs.Job.DoExecute() at Sitecore.Jobs.Job.ThreadEntry(Object state)
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character can be the reason. Best try same setup with a tenant without.