Error: Invalid reference from destroy provisioner about content-deploying-to-aws-ansible-terraform HOT 1 CLOSED

#Create EC2 in us-west-2
resource "aws_instance" "jenkins-worker-oregon" {
  provider                    = aws.region-worker
  count                       = var.workers-count
  ami                         = data.aws_ssm_parameter.linuxAmiOregon.value
  instance_type               = var.instance-type
  key_name                    = aws_key_pair.worker-key.key_name
  associate_public_ip_address = true
  vpc_security_group_ids      = [aws_security_group.jenkins-sg-oregon.id]
  subnet_id                   = aws_subnet.subnet_1_oregon.id
  provisioner "remote-exec" {
    when = destroy
    inline = [
      "java -jar /home/ec2-user/jenkins-cli.jar -auth @/home/ec2-user/jenkins_auth -s http://${self.tags.Master_Private_IP}:8080 -auth @/home/ec2-user/jenkins_auth delete-node ${self.private_ip} || echo 0"
    ]
    connection {
      type        = "ssh"
      user        = "ec2-user"
      private_key = file("~/.ssh/id_rsa")
      host        = self.public_ip
    }
  }

  provisioner "local-exec" {
    command = <<EOF
aws --profile ${var.profile} ec2 wait instance-status-ok --region ${var.region-worker} --instance-ids ${self.id} \
&& ansible-playbook --extra-vars 'passed_in_hosts=tag_Name_${self.tags.Name} master_ip=${self.tags.Master_Private_IP}' ansible_templates/install_worker.yaml
EOF
  }
  tags = {
    Name = join("_", ["jenkins_worker_tf", count.index + 1])
    Master_Private_IP = aws_instance.jenkins-master.private_ip ### <-------------
  }
  depends_on = [aws_main_route_table_association.set-worker-default-rt-assoc]
}