add error message, reformat

Author: hhunter-ms

articles/aks/dapr-ext-troubleshooting.md

@@ -16,20 +16,6 @@ When installing the Dapr extension for Azure Kubernetes Service (AKS) or Arc for
 
 ## Common error messages
 
-### Dapr version doesn't exist
-
-You're installing the Dapr extension and [targeting a specific version](./dapr.md#targeting-a-specific-dapr-version), but run into an error message saying the Dapr version doesn't exist. Try installing again, making sure to use a [supported version of Dapr](./dapr.md#dapr-versions). 
-
-### Dapr version exists, but not in the mentioned region
-
-Some versions of Dapr aren't available in all regions. If you receive this error message, try installing in an [available region](./dapr.md#cloudsregions) where your Dapr version is supported.
-
-### Dapr OSS already exists
-
-You're installing the Dapr extension for AKS or Arc for Kubernetes, but receive an error message indicating that Dapr already exists. You need to uninstall Dapr OSS before installing the Dapr extension. For more information, read [Migrate from Dapr OSS](./dapr-migration.md).
-
-## Install or update failure
-
 If the extension fails to create or update without an error message, you can inspect where the creation of the extension failed by running the `az k8s-extension list` command. For example, if a wrong key is used in the configuration-settings, such as `global.ha=false` instead of `global.ha.enabled=false`: 
 
 ```azure-cli-interactive
@@ -55,6 +41,27 @@ If you run into a general error with no specific message during Dapr extension i
 - [Restart your AKS or Arc for Kubernetes cluster](./start-stop-cluster.md).
 - Make sure you've [registered the `KubernetesConfiguration` service provider](./dapr.md#register-the-kubernetesconfiguration-service-provider).
 
+See below for examples of error messages you may encounter during Dapr extension install or update.
+
+### Dapr version doesn't exist
+
+You're installing the Dapr extension and [targeting a specific version](./dapr.md#targeting-a-specific-dapr-version), but run into an error message saying the Dapr version doesn't exist. Try installing again, making sure to use a [supported version of Dapr](./dapr.md#dapr-versions). 
+
+### Dapr version exists, but not in the mentioned region
+
+Some versions of Dapr aren't available in all regions. If you receive this error message, try installing in an [available region](./dapr.md#cloudsregions) where your Dapr version is supported.
+
+### Dapr OSS already exists
+
+You're installing the Dapr extension for AKS or Arc for Kubernetes, but receive an error message indicating that Dapr already exists. This error message may look like:
+
+```json
+(ExtensionOperationFailed) The extension operation failed with the following error:  Error: {failed to install chart from path [] for release [dapr-ext]: err [rendered manifests contain a resource that already exists. Unable to continue with install: ServiceAccount "dapr-operator" in namespace "dapr-system" exists and cannot be imported into the current release: invalid ownership metadata; annotation validation error: key "meta.helm.sh/release-name" must equal "dapr-ext": current value is "dapr"]} occurred while doing the operation : {Installing the extension} on the config
+```
+
+You need to uninstall Dapr OSS before installing the Dapr extension. For more information, read [Migrate from Dapr OSS](./dapr-migration.md).
+
+
 ## Next steps
 
 If you're still running into issues, explore the [AKS troubleshooting guide](./troubleshooting.md) and the [Dapr OSS troubleshooting guide](https://docs.dapr.io/operations/troubleshooting/common_issues/).