@Marvin when I set concurrency limit in my prefect.yaml, the deploy gives error code 503

It seems you're experiencing issues with setting concurrency limits in your

prefect.yaml

, which is leading to a 503 error during deployment. Here's what I've found: 1. Concurrency Limits: Concurrency limits in Prefect can be set at different levels, such as work pools, work queues, or deployment levels. It's important to ensure that these are configured correctly. You can manage concurrency limits using the Prefect CLI, API, or Prefect Cloud. Here's a link to the Prefect documentation on concurrency limits which might help you verify your configuration. 2. Error Code 503: This generally indicates a server-side error, which could be related to the backend infrastructure or a misconfiguration in your deployment setup. It's worth checking your deployment configuration to ensure that all required services are running and properly configured. 3. GitHub Issues: There have been related issues discussed in the Prefect GitHub repository, such as stability concerns with certain backend configurations. Although not exactly matching your case, they highlight the importance of ensuring your infrastructure can handle the configured limits. For more details, you can explore this GitHub issue. If you continue to face issues, you might want to verify your infrastructure setup and ensure that your concurrency configurations align with your deployment's capabilities. If needed, you can also seek support from the Prefect community or their support channels.