Merge pull request microsoft#392 from microsoft/psl-spellingfixes-troubleshoot-doc

docs: Changed file name, Added "Error Code" Title and Description of Troubleshooting section.

Author: Roopan-Microsoft

docs/DeploymentGuide.md

@@ -221,7 +221,7 @@ Once you've opened the project in [Codespaces](#github-codespaces), [Dev Contain
 
 
 ### 🛠️ Troubleshooting
- If you encounter any issues during the deployment process, please refer  [throubleshoot](../docs/Troubleshoot.md) document for detailed steps and solutions
+ If you encounter any issues during the deployment process, please refer [troubleshooting](../docs/TroubleShootingSteps.md) document for detailed steps and solutions.
 
 # Local setup
 

docs/Troubleshoot.md renamed to docs/TroubleShootingSteps.md

@@ -1,6 +1,10 @@
-
 # 🛠️ Troubleshooting
 
+When deploying Azure resources, you may come across different error codes that stop or delay the deployment process. This section lists some of the most common errors along with possible causes and step-by-step resolutions.
+ 
+Use these as quick reference guides to unblock your deployments.
+
+## Error Codes
 
  <details>
 <summary><b>ReadOnlyDisabledSubscription</b></summary>  
@@ -279,5 +283,19 @@ Essentially: DeploymentCanceled itself is just a wrapper error — you need to c
 
 </details>
 
+<details>
+<summary><b>MaxNumberOfRegionalEnvironmentsInSubExceeded</b></summary>
+ 
+- This error occurs when you try to create more than the allowed number of **Azure Container App Environments (ACA Environments)** in the same region for a subscription.  
+- For example, in **Sweden Central**, only **1 Container App Environment** is allowed per subscription.  
+ 
+The subscription 'xxxx-xxxx' cannot have more than 1 Container App Environments in Sweden Central.
+ 
+- To fix this, you can:
+  - Deploy the Container App Environment in a **different region**, OR  
+  - Request a quota increase via Azure Support → [Quota Increase Request](https://go.microsoft.com/fwlink/?linkid=2208872)  
+ 
+</details>
+
 💡 Note: If you encounter any other issues, you can refer to the [Common Deployment Errors](https://learn.microsoft.com/en-us/azure/azure-resource-manager/troubleshooting/common-deployment-errors) documentation.
 If the problem persists, you can also raise an bug in our [MACAE Github Issues](https://github.com/microsoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator/issues) for further support.