Aws CloudFormation中创建堆践时的失败错误问题

在Aws CloudFormation中创建堆践时，出现以下错误

可是检查ymal文件时，发现第61行的21列的地方并没有明显错误(网上所说的大小写或空格之类的)
想请教一下错误在何处并如何改正。谢谢！！

具体代码如下:

 AWSTemplateFormatVersion: "2010-09-09"
Description: >
   sp vpc init stack.
Parameters:
  ServiceName:
    Type: String 
  EnvironmentType:
    Type: String

Metadata:
  AWS::CloudFormation::Interface:
    ParameterGroups:
      - Label:
          default: "basic configurations."
        Parameters:
          - ServiceName
          - EnvironmentType

Mappings:
  RegionParamsMap:
    ap-south-1:
      Number: 201
    ap-northeast-1:
      Number: 202

Resources:
  SpVpcInitStackCreateVpc:
    Type:  AWS::EC2::VPC
    Properties: 
      CidrBlock: !Sub
        - 10.${Number}.0.0/16
        - { Number: !FindInMap ["RegionParamsMap", !Ref AWS::Region, Number] }
      EnableDnsHostnames: true
      EnableDnsSupport: true
      InstanceTenancy: default
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc
  VpcNetworkSpStackCreateInternetGateway:
    Type:  AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-internet-gateway
  VpcNetworkSpStackCreateInternetGatewayAttachment:
    Type:  AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref SpVpcInitStackCreateVpc
      InternetGatewayId:
        !Ref VpcNetworkSpStackCreateInternetGateway
  VpcNetworkSpStackCreatePublicSubneta1a:
    Type:  AWS::EC2::Subnet
    Properties:
      CidrBlock: !Sub
        - 10.${Number}.120.0/20
        - { Number: !FindInMap ["RegionParamsMap", !Ref AWS::Region, Number] }
      VpcId: !Ref SpVpcInitStackCreateVpc
      AvailabilityZone: !Select
0
        - Fn::GetAZs: !Ref AWS::Region
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-public-subnet-a1a
  VpcNetworkSpStackCreateSpVpcNatGateway1aEip:
    Type:  AWS::EC2::EIP
    Properties:
      Domain: vpc
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-nat-gw-1a-eip
  VpcNetworkSpStackCreateSpVpcNatGateway1a:
    Type:  AWS::EC2::NatGateway
    Properties:
      AllocationId:
        !GetAtt VpcNetworkSpStackCreateSpVpcNatGateway1aEip.AllocationId
      SubnetId:
        !Ref VpcNetworkSpStackCreatePublicSubneta1a
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-nat-gw-1a
  VpcNetworkSpStackCreateSpVpcPublicSubneta1aRouteTable:
    Type:  AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref SpVpcInitStackCreateVpc
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-public-subnet-a1a-route-table
  VpcNetworkSpStackCreateSpVpcPublica1aSubnetRouteTableAssociation:
    Type:  AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId:
        !Ref VpcNetworkSpStackCreateSpVpcPublicSubneta1aRouteTable
      SubnetId:
        !Ref VpcNetworkSpStackCreatePublicSubneta1a
  VpcNetworkSpStackCreateSpVpcPublicSubneta1aRoute:
    Type:  AWS::EC2::Route
    Properties:
      RouteTableId:
        !Ref VpcNetworkSpStackCreateSpVpcPublicSubneta1aRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId:
        !Ref VpcNetworkSpStackCreateInternetGateway
  VpcNetworkSpStackCreatePrivateSubnetb1a:
    Type: AWS::EC2::Subnet
    Properties:
      CidrBlock: !Sub
        - 10.${Number}.0.0/19
        - { Number: !FindInMap ["RegionParamsMap", !Ref AWS::Region, Number] }
      VpcId: !Ref SpVpcInitStackCreateVpc
      AvailabilityZone: !Select
0
        - Fn::GetAZs: !Ref AWS::Region
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-private-subnet-b1a
  VpcNetworkSpStackCreateSpVpcPrivateSubnetb1aRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref SpVpcInitStackCreateVpc
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-private-subnet-b1a-route-table
  VpcNetworkSpStackCreateSpVpcPrivateb1aSubnetRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId:
        !Ref VpcNetworkSpStackCreateSpVpcPrivateSubnetb1aRouteTable
      SubnetId:
        !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
  VpcNetworkSpStackCreateSpVpcPrivateSubnetb1aRoute:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId:
        !Ref VpcNetworkSpStackCreateSpVpcPrivateSubnetb1aRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      NatGatewayId:
        !Ref VpcNetworkSpStackCreateSpVpcNatGateway1a
  VpcNetworkSpStackCreatePrivateSubnetc1a:
    Type: AWS::EC2::Subnet
    Properties:
      CidrBlock: !Sub
        - 10.${Number}.192.0/21
        - { Number: !FindInMap ["RegionParamsMap", !Ref AWS::Region, Number] }
      VpcId: !Ref SpVpcInitStackCreateVpc
      AvailabilityZone: !Select
0
        - Fn::GetAZs: !Ref AWS::Region
      Tags: 
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-private-subnet-c1a
  VpcNetworkSpStackCreateSpVpcPrivateSubnetc1aRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref SpVpcInitStackCreateVpc
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-private-subnet-c1a-route-table
  VpcNetworkSpStackCreateSpVpcPrivatec1aSubnetRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId:
        !Ref VpcNetworkSpStackCreateSpVpcPrivateSubnetc1aRouteTable
      SubnetId:
        !Ref VpcNetworkSpStackCreatePrivateSubnetc1a
  VpcNetworkSpStackCreateSpVpcPrivateSubnetc1aRoute:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId:
        !Ref VpcNetworkSpStackCreateSpVpcPrivateSubnetc1aRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      NatGatewayId:
        !Ref VpcNetworkSpStackCreateSpVpcNatGateway1a
  VpcNetworkSpStackCreateVpcEndpointApigwSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: sp vpc vpc endpoint api gateway security group.
      GroupName: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-apigw-security-group
      SecurityGroupEgress: 
        - CidrIp: 0.0.0.0/0
          Description: egress all traffic.
          IpProtocol: -1
      SecurityGroupIngress: []
      Tags: 
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-apigw-security-group
      VpcId: !Ref SpVpcInitStackCreateVpc
  VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: sp vpc vpc endpoint ecs security group.
      GroupName: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-ecs-security-group
      SecurityGroupEgress: 
        - CidrIp: 0.0.0.0/0
          Description: egress all traffic.
          IpProtocol: -1
      SecurityGroupIngress: []
      Tags: 
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-ecs-security-group
      VpcId: !Ref SpVpcInitStackCreateVpc
  VpcNetworkSpStackCreateVpcEndpointDbSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: sp vpc vpc endpoint database security group.
      GroupName: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-db-security-group
      SecurityGroupEgress: 
        - CidrIp: 0.0.0.0/0
          Description: egress all traffic.
          IpProtocol: -1
      SecurityGroupIngress: []
      Tags: 
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-db-security-group
      VpcId: !Ref SpVpcInitStackCreateVpc
  VpcNetworkSpStackCreateVpcEndpointAwsIotSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: sp vpc vpc endpoint aws iot security group.
      GroupName: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-awsiot-security-group
      SecurityGroupEgress: 
        - CidrIp: 0.0.0.0/0
          Description: egress all traffic.
          IpProtocol: -1
      SecurityGroupIngress: 
        - CidrIp: 0.0.0.0/0
          Description: inegress all traffic.
          IpProtocol: -1
      Tags: 
        - Key: Name
          Value: !Sub ${EnvironmentType}-sp-vpc-vpc-endpoint-awsiot-security-group
      VpcId: !Ref SpVpcInitStackCreateVpc
  VpcNetworkSpStackCreateVpcEndpointEcrDkr:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.ecr.dkr
      VpcId: !Ref SpVpcInitStackCreateVpc
      PrivateDnsEnabled: true
      SecurityGroupIds: 
        - !Ref VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup
      SubnetIds:
        - !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
      VpcEndpointType: Interface
  VpcNetworkSpStackCreateVpcEndpointEcrApi:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.ecr.api
      VpcId: !Ref SpVpcInitStackCreateVpc
      PrivateDnsEnabled: true
      SecurityGroupIds: 
        - !Ref VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup
      SubnetIds:
        - !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
      VpcEndpointType: Interface
  VpcNetworkSpStackCreateVpcEndpointStepfunctions:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.states
      VpcId: !Ref SpVpcInitStackCreateVpc
      PrivateDnsEnabled: true
      SecurityGroupIds: 
        - !Ref VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup
      SubnetIds:
        - !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
      VpcEndpointType: Interface
  VpcNetworkSpStackCreateVpcEndpointApigateway:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.execute-api
      VpcId: !Ref SpVpcInitStackCreateVpc
      PrivateDnsEnabled: true
      SecurityGroupIds: 
        - !Ref VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup
      SubnetIds:
        - !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
      VpcEndpointType: Interface
  VpcNetworkSpStackCreateLayerBVpcEndpointLogs:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.logs
      VpcId: !Ref SpVpcInitStackCreateVpc
      PrivateDnsEnabled: false
      SecurityGroupIds: 
        - !Ref VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup
      SubnetIds:          
        - !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
      VpcEndpointType: Interface
  VpcNetworkSpStackCreateLayerCVpcEndpointLogs:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.logs
      VpcId: !Ref SpVpcInitStackCreateVpc
      PrivateDnsEnabled: false
      SecurityGroupIds: 
        - !Ref VpcNetworkSpStackCreateVpcEndpointDbSecurityGroup
      SubnetIds:
        - !Ref VpcNetworkSpStackCreatePrivateSubnetc1a
      VpcEndpointType: Interface
  VpcNetworkSpStackCreateLayerBVpcEndpointAwsIot:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.iot.data
      VpcId: !Ref SpVpcInitStackCreateVpc
      PrivateDnsEnabled: false
      SecurityGroupIds: 
        - !Ref VpcNetworkSpStackCreateVpcEndpointAwsIotSecurityGroup
      SubnetIds:
        - !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
      VpcEndpointType: Interface
  VpcNetworkSpStackCreateVpcEndpointS3:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.s3
      VpcId: !Ref SpVpcInitStackCreateVpc
      RouteTableIds:
        - !Ref VpcNetworkSpStackCreateSpVpcPrivateSubnetb1aRouteTable
        - !Ref VpcNetworkSpStackCreateSpVpcPrivateSubnetc1aRouteTable
      VpcEndpointType: Gateway
  VpcNetworkSpStackCreateVpcEndpointDynamodb:
    Type: AWS::EC2::VPCEndpoint
    Properties:
      ServiceName: !Sub com.amazonaws.${AWS::Region}.dynamodb
      VpcId: !Ref SpVpcInitStackCreateVpc
      RouteTableIds:
        - !Ref VpcNetworkSpStackCreateSpVpcPrivateSubnetb1aRouteTable
      VpcEndpointType: Gateway
Outputs:
  SpVpcId:
    Description: sp vpc id.
    Value: !Ref SpVpcInitStackCreateVpc
    Export:
      Name: SpVpcId
  SpVpcEndpointEcsSecurityGroupId:
    Description: "sp vpc ecs endpoint security group id."
    Value:
      !GetAtt VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup.GroupId
  SpVpcEndpointDbSecurityGroupGroupId:
    Description: "sp vpc database endpoint security group id."
    Value:
      !GetAtt VpcNetworkSpStackCreateVpcEndpointDbSecurityGroup.GroupId
  SpApigwVpcEndpointId:
    Description: "apigw vpc endpoint id."
    Value:
      !Ref VpcNetworkSpStackCreateVpcEndpointApigateway
  SpVpcSubnetA1aId:
    Description: "sp vpc database security group id."
    Value:
      !Ref VpcNetworkSpStackCreatePublicSubneta1a
  SpVpcSubnetB1aId:
    Description: "sp vpc database security group id."
    Value:
      !Ref VpcNetworkSpStackCreatePrivateSubnetb1a
  SpVpcSubnetC1aId:
    Description: "sp vpc database security group id."
    Value:
      !Ref VpcNetworkSpStackCreatePrivateSubnetc1a
  SpVpcEndpointApigatewayId:
    Description: "vpc endpoint apigateway id."
    Value:
      !Ref VpcNetworkSpStackCreateVpcEndpointApigateway 
  SpVpcVpcEndpointEcsSecurityGroupId:
    Description: "sp vpc vpc endpoint ecs security group id."
    Value:
      !GetAtt VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup.GroupId
  SpVpcVpcEndpointDbSecurityGroupId:
    Description: "sp vpc vpc endpoint db security group id."
    Value:
      !GetAtt VpcNetworkSpStackCreateVpcEndpointDbSecurityGroup.GroupId
  SpVpcPrivateAppSubnetIds:
    Description: "sp vpc private app subnet ids use cdk."
    Value:
      !Sub ${VpcNetworkSpStackCreatePrivateSubnetb1a} #,${VpcNetworkSpStackCreatePrivateSubnetb1b},${VpcNetworkSpStackCreatePrivateSubnetb1c}
    Export:
      Name: SpVpcPrivateAppSubnetIds
  VpcEndpointDbSecurityGroupId:
    Description: "sp vpc database endpoint security group id. use cdk"
    Value:
      !GetAtt VpcNetworkSpStackCreateVpcEndpointDbSecurityGroup.GroupId
    Export:
      Name: VpcEndpointDbSecurityGroupId
  SpVpcPrivateDataSubnetIds:
    Description: "sp vpc private data subnet ids use cdk."
    Value:
      !Sub ${VpcNetworkSpStackCreatePrivateSubnetc1a} #,${VpcNetworkSpStackCreatePrivateSubnetc1b},${VpcNetworkSpStackCreatePrivateSubnetc1c}
    Export:
      Name: SpVpcPrivateDataSubnetIds
  VpcEndpointEcsSecurityGroupId:
    Description: "sp vpc vpc endpoint ecs security group id use cdk."
    Value:
      !GetAtt VpcNetworkSpStackCreateVpcEndpointEcsSecurityGroup.GroupId
    Export:
      Name: VpcEndpointEcsSecurityGroupId