Unable to create Azure subnet because of policy deny

Hello, I am uanble to create a azure subnet due to a policy which doesnt allow creation of subnet without udr association.

Policy: Subnets should have a User Defined Route is applied at management group level.

error: Error: creating Subnet: (Name “subnet" / Virtual Network Name "VirtualNetwork” / Resource Group “Resource_Group-***”): network.SubnetsClient#CreateOrUpdate: Failure sending request: StatusCode=403 – Original Error: Code=“RequestDisallowedByPolicy” Message="Resource ‘***sbunet’ was disallowed by policy.