AWS App Runner Failing to List Services

Based on the information provided and the error message you're seeing, it appears that there's an issue with listing the AWS App Runner services in your account. This could be due to several reasons:

1. Temporary AWS service disruption: There might be a temporary issue with the AWS App Runner service or the underlying services it depends on.

2. Permissions issue: Your IAM user or role might not have the necessary permissions to list App Runner services.

3. AWS Console glitch: Sometimes, the AWS Console can experience temporary glitches that affect its functionality.

4. Network connectivity: There could be network connectivity issues between your browser and AWS services.

To troubleshoot this issue, you can try the following steps:

1. Refresh the page: Sometimes, a simple refresh can resolve temporary glitches.

2. Clear your browser cache and cookies: This can help if there's a problem with cached data.

3. Try a different browser or incognito/private mode: This can help isolate browser-specific issues.

4. Check your IAM permissions: Ensure that your IAM user or role has the necessary permissions to list App Runner services.

5. Use AWS CLI or SDK: Try listing the services using the AWS Command Line Interface (CLI) or an AWS SDK to see if the issue is specific to the console.

6. Check AWS service health dashboard: Look for any reported issues with App Runner or related services.

7. Wait and retry: If it's a temporary service disruption, waiting for a short while and trying again might resolve the issue.

If the problem persists after trying these steps, it's recommended to contact AWS Support for further assistance. They can provide more detailed insights into any account-specific issues or ongoing service problems that might be affecting your ability to list App Runner services.
Sources
Using the App Runner console - AWS App Runner
Troubleshooting - AWS App Runner