AWS App Runner is no longer open to new customers. Existing customers can continue to use the service as normal. For more information, see [AWS App Runner availability change](https://docs.aws.amazon.com/apprunner/latest/dg/apprunner-availability-change.html).

# Troubleshooting
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 This chapter provides troubleshooting steps for common errors and issues that you might encounter while using your AWS App Runner service. The error messages can appear on the console, API, or the Logs tab of your service page. 

For more troubleshooting advice and answers to common support questions, visit the [Knowledge Center](https://repost.aws/knowledge-center/).

**Topics**
+ [When the service fails to create](troubleshooting-create-failure.md)
+ [Custom domain names](manage-custom-domain-troubleshoot.md)
+ [HTTP/HTTPS request routing error](request-route-404-troubleshoot.md)
+ [When the service fails to connect to Amazon RDS or downstream service](troubleshooting.vpc-outbound-connect-failure.md)
+ [When there are not enough IP addresses for launching instances or scaling](troubleshooting-not-enough-ips.md)