Cloudformation Elasticache: "nelze zadat spolu s CacheSecurityGroupNames"

CHYBA:

Vlastnosti [AZMode, CacheSubnetGroupName, SecurityGroupIds, PreferredAvailabilityZones, SnapshotArns, SnapshotRetentionLimit, SnapshotWindow, Štítky] nelze zadat spolu s CacheSecurityGroupNames, prosím, aktualizujte šablonu na nejnovější verzi

Type: AWS::ElastiCache::CacheCluster
    Properties:
      Engine: redis
      AZMode: single-az
      EngineVersion: 5.0.6
      CacheParameterGroupName: !Ref CacheParameterGroup
      ClusterName: !Sub ${SystemName}-${Env}-elasticache
      CacheNodeType: !Ref ElasticacheNodeType
      NumCacheNodes: "1"
      Port: 6379
      PreferredMaintenanceWindow: !Ref MaintenanceWindow
      PreferredAvailabilityZone: ap-northeast-1a
      SnapshotRetentionLimit: !Ref SnapshotRetentionLimit
      SnapshotWindow: !Ref SnapshotWindow
      CacheSubnetGroupName: !Ref CacheSubnetGroup
      CacheSecurityGroupNames:
        - Fn::ImportValue: DevElasticacheSG

Co je důvodem pro výše uvedené chyby v cloudformation?