AZURE RHEL BYOS VMMarketplaceInvalidInput Error

Packer
5

OK it was a syntax issue, with all the other issues I was having I must have missed this iterative update

  plan_info  {
    plan_name      = "rhel-lvm78-gen2"
    plan_product   = "rhel-byos"
    plan_publisher = "redhat"
  }