AWX Postgresql installtion problem

Hello AWX Community,
I apologize if this is the wrong place, but I found nowhere else to ask this question. While running the installation playbook against a k8s cluster, this is what I am getting. Your help is immensely appreciated.

TASK [kubernetes : Deploy and Activate Postgres (Kubernetes)] *************************************************************************************************************************
fatal: [localhost]: FAILED! => {“changed”: true, “cmd”: “helm repo update --tiller-namespace=kube-system\necho ‘postgresqlUsername: awx\npostgresqlPassword: awxpass\npostgresqlDatabase: awx\npersistence:\n size: 5Gi\n’ | helm upgrade awx-postgresql --install --namespace awx --version="11.5" --tiller-namespace=kube-system --values - stable/postgresql\n”, “delta”: “0:00:02.589616”, “end”: “2019-10-19 06:21:02.748803”, “msg”: “non-zero return code”, “rc”: 1, “start”: “2019-10-19 06:21:00.159187”, “stderr”: “Error: failed to download "stable/postgresql" (hint: running helm repo update may help)”, “stderr_lines”: [“Error: failed to download "stable/postgresql" (hint: running helm repo update may help)”], “stdout”: “Hang tight while we grab the latest from your chart repositories…\n…Skip local chart repository\n…Successfully got an update from the "stable" chart repository\nUpdate Complete.”, “stdout_lines”: [“Hang tight while we grab the latest from your chart repositories…”, “…Skip local chart repository”, “…Successfully got an update from the "stable" chart repository”, “Update Complete.”]}

PLAY RECAP ****************************************************************************************************************************************************************************
localhost : ok=11 changed=4 unreachable=0 failed=1 skipped=45 rescued=0 ignored=2