问获取错误‘MSB4018’GenerateFeatureFileCodeBehindTask任务意外失败。当从特性文件生成步骤定义时

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Severity    Code    Description Project File    Line    Suppression State
Error   MSB4018 The "GenerateFeatureFileCodeBehindTask" task failed unexpectedly.
System.Exception: Unit test Provider already set.
   at TechTalk.SpecFlow.UnitTestProvider.UnitTestProviderConfiguration.UseUnitTestProvider(String unitTestProviderName)
   at TechTalk.SpecFlow.NUnit.Generator.SpecFlowPlugin.GeneratorPlugin.Initialize(GeneratorPluginEvents generatorPluginEvents, GeneratorPluginParameters generatorPluginParameters, UnitTestProviderConfiguration unitTestProviderConfiguration)
   at TechTalk.SpecFlow.Generator.GeneratorContainerBuilder.LoadPlugins(ObjectContainer container, GeneratorPluginEvents generatorPluginEvents, UnitTestProviderConfiguration unitTestProviderConfiguration, IEnumerable`1 generatorPlugins)
   at TechTalk.SpecFlow.Generator.GeneratorContainerBuilder.CreateContainer(SpecFlowConfigurationHolder configurationHolder, ProjectSettings projectSettings, IEnumerable`1 generatorPluginInfos, IObjectContainer parentObjectContainer)
   at SpecFlow.Tools.MsBuild.Generation.WrappedGeneratorContainerBuilder.BuildGeneratorContainer(SpecFlowConfigurationHolder specFlowConfigurationHolder, ProjectSettings projectSettings, IReadOnlyCollection`1 generatorPluginInfos, IObjectContainer rootObjectContainer)
   at SpecFlow.Tools.MsBuild.Generation.GenerateFeatureFileCodeBehindTaskExecutor.Execute()
   at SpecFlow.Tools.MsBuild.Generation.GenerateFeatureFileCodeBehindTask.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__26.MoveNext() LearningStepByStep  C:\Users\***\.nuget\packages\specflow.tools.msbuild.generation\3.4.31\build\SpecFlow.Tools.MsBuild.Generation.targets   93