The provided policy document does not meet the requirements of the specified policy type

Question

I am getting an error while creating below SCP in AWS Organization.

Below is the error

The provided policy document does not meet the requirements of the specified policy type.

code

{
    "Version": "2012-10-17",
    "Statement": [
      {
        "Sid": " DenyEC2CreationSCP1",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*"
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/techops-system": "true"
          }
        }
      },
      {
        "Sid": "DenyEC2CreationSCP2",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*"
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/engineering-group": "true"
          }
        }
       },
        {
        "Sid": "DenyEC2CreationSCP3",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*"
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/environment": "true"
          }
        }
        },
        {
        "Sid": "DenyEC2CreationSCP4",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*"
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/product": "true"
          }
        }
        },
        {
        "Sid": "DenyEC2CreationSCP5",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*" 
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/cost-type": "true"
          }
        }
        },
        {
        "Sid": " DenyEC2CreationSCP6",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*"
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/account": "true"
          }
        }
        },
        {
        "Sid": "DenyEC2CreationSCP6",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*" 
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/account-grouping": "true"
          }
        }
        },
        {
        "Sid": "DenyEC2CreationSCP7",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*"
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/account-grouping": "true"
          }
        }
        },
        {
        "Sid": "DenyEC2CreationSCP8",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*" 
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/customer": "true"
          }
        }
        },
        {
        "Sid": "DenyEC2CreationSCP8",
        "Effect": "Deny",
        "Action": [
          "ec2:RunInstances"
        ],
        "Resource": [
          "arn:aws:ec2:*:*:instance/*",
          "arn:aws:ec2:*:*:volume/*",
          "arn:aws:ec2:*:*:elasticloadbalancing/*"
        ],
        "Condition": {
          "Null": {
            "aws:RequestTag/Name": "true"
          }
        }       
      }
    ]
  }

I removed white spaces and validated syntax by YAML lint. All things are OK.