部署堆栈时遇到“不支持的 ActionTypeId”错误

如何解决部署堆栈时遇到“不支持的 ActionTypeId”错误

当我为 codepipeline 创建 cloudformation 堆栈时，它失败并且错误消息是“遇到不受支持的属性 ActionTypeId”。

模板是：

    AWstemplateFormatVersion: '2010-09-09'
Description: Model and provision AWS CodePipeline and AWS CodeBuild

Parameters:
  CodePipelinesourceBucketName:
    Type: String
    Description: Bucket to store source code
    Default: covid19-codepipeline-source

  CodePipelinesourceObjectKey:
    Type: String
    Description: Object key of zip file uploaded to source bucket
    Default: source.zip 

  CodePipelineArtifactStoreBucketName:
    Type: String
    Description: Bucket to store artifacts created by codepipeline
    Default: covid19-codepipeline-artifacts

  CloudTrailLogsBucketName:
    Type: String
    Description: Bucket to store cloudtrail logs
    Default: covid19-cloudtrail-logs

Resources:
  # CodePipeline
  DeployPipelineForglueWorkflow: 
    Type: AWS::CodePipeline::Pipeline
    Properties: 
      Name: !Sub DeployPipelineForglueWorkflow-${AWS::StackName}
      RoleArn: !GetAtt CodePipelineRole.Arn
      ArtifactStore: 
        Type: S3
        Location: !Ref CodePipelineArtifactStoreBucket
      Stages: 
      - 
        Name: Source
        Actions: 
        - 
          Name: SourceAction
          ActionTypeId: 
            Category: Source
            Owner: AWS
            Version: "1"
            Provider: S3
          OutputArtifacts: 
            - Name: SourceOutput
          Configuration: 
            S3Bucket: !Ref CodePipelinesourceBucket
            S3ObjectKey: !Ref CodePipelinesourceObjectKey 
            PollForSourceChanges: false
          Runorder: 1
      -

我也检查了缩进，但仍然面临同样的问题。