I'm a complete Azure DevOps noob, trying to set up an AKS cluster and a Release pipeline in Azure DevOps to deploy to it using Helm.

I created (with RBAC disabled, to simplify process) an AKS cluster, connected a Release pipeline to it, connected to the AKS cluster using the Azure Cloud Shell and ran helm init, but the release is failing with this problem:

2018-12-14T16:35:55.9461744Z ##[section]Starting: helm upgrade <REDACTED>
2018-12-14T16:35:55.9467164Z ==============================================================================
2018-12-14T16:35:55.9467299Z Task         : Package and deploy Helm charts
2018-12-14T16:35:55.9467387Z Description  : Deploy, configure, update your Kubernetes cluster in Azure Container Service by running helm commands.
2018-12-14T16:35:55.9467647Z Version      : 0.138.14
2018-12-14T16:35:55.9467963Z Author       : Microsoft Corporation
2018-12-14T16:35:55.9468016Z Help         : [More Information](https://go.microsoft.com/fwlink/?linkid=851275)
2018-12-14T16:35:55.9468114Z ==============================================================================
2018-12-14T16:35:58.3023980Z [command]/opt/hostedtoolcache/helm/2.11.0/x64/linux-amd64/helm upgrade --namespace dev --install --recreate-pods --force --values /home/vsts/work/r1/a/_<REDACTED>/helm-charts/<REDACTED>/values-dev.yaml --set image.tag=development --wait <REDACTED> /home/vsts/work/r1/a/_<REDACTED>/helm-charts/<REDACTED>
2018-12-14T16:40:57.6309603Z Release "<REDACTED>" does not exist. Installing it now.
2018-12-14T16:40:57.6311297Z Error: release <REDACTED> failed: timed out waiting for the condition
2018-12-14T16:40:57.6428880Z ##[error]Error: release <REDACTED> failed: timed out waiting for the condition

2018-12-14T16:40:57.6440575Z ##[section]Finishing: helm upgrade <REDACTED>

(Note, redacted out sensitive project names).