Based on the error message and research, I can help diagnose this issue. The error you're seeing indicates that your worker pod is trying to access a deployment that doesn't exist or isn't accessible at the specified URL. The specific error is:

Client error '404 Not Found' for url '<https://api.prefect.cloud/api/accounts/abc/workspaces/abc/deployments/40c948a1-0f0b-4e10-8f00-87bcaa3e6ce8>'

Here are the most likely causes and solutions: 1. Deployment Does Not Exist: - The deployment ID

40c948a1-0f0b-4e10-8f00-87bcaa3e6ce8

cannot be found in your Prefect Cloud workspace - This could happen if: - The deployment was deleted - The deployment failed to register properly - You're accessing the wrong workspace 2. Authentication/Authorization Issues: - Verify that your worker has the correct API key configured - Ensure the API key has access to the correct workspace To troubleshoot: 1. Verify the Deployment: - Check if the deployment exists in the Prefect UI - You can also verify using the CLI:

bash
   prefect deployment ls

2. Check Worker Configuration: - Verify the worker is connected to the correct workspace - Ensure the PREFECT_API_KEY and PREFECT_API_URL are correctly set in your worker pod - Check the worker logs for any authentication-related messages 3. Verify Workspace: - Confirm you're in the correct workspace using:

bash
   prefect workspace ls

4. If Creating a New Deployment: - Ensure you're using the correct deployment creation syntax for Prefect 3.x:

python
   flow.from_source(...).deploy(...)

Would you like me to help you verify any specific part of this setup or would you like more details about any of these troubleshooting steps?

Based on the research, here's a Python function that lists all active deployments using the async Prefect client:

python
from prefect.client import get_client
from typing import List
from prefect.client.schemas.objects import DeploymentResponse

async def list_active_deployments() -> List[DeploymentResponse]:
    """
    Lists all active deployments using the async Prefect client.
    
    Returns:
        List[DeploymentResponse]: A list of deployment objects containing deployment details
    
    Example:
        ```python
        import asyncio
        
        # Run the function
        deployments = asyncio.run(list_active_deployments())
        
        # Print deployment details
        for deployment in deployments:
            print(f"Name: {deployment.name}")
            print(f"ID: {deployment.id}")
            print(f"Work Pool: {deployment.work_pool_name}")
            print("---")

""" async with get_client() as client: # Fetch all deployments deployments = await client.read_deployments() return deployments # If you want to run this directly (not imported as a module) if name == "__main__": import asyncio async def main(): deployments = await list_active_deployments() for deployment in deployments: print(f"Name: {deployment.name}") print(f"ID: {deployment.id}") print(f"Work Pool: {deployment.work_pool_name}") print("---") asyncio.run(main())

This function:
1. Uses the `get_client()` function to create a Prefect client instance
2. Uses async context manager to properly manage the client connection
3. Calls `read_deployments()` to fetch all deployments
4. Returns the list of deployments as `DeploymentResponse` objects

Each `DeploymentResponse` object contains useful information about the deployment, including:
- `name`: The deployment name
- `id`: The deployment ID
- `work_pool_name`: The associated work pool
- `version`: The deployment version
- `tags`: Any associated tags
- And more...

If you want to filter the deployments, you can add filters to the `read_deployments()` call. For example, to filter by work pool:

```python
async def list_deployments_by_work_pool(work_pool_name: str) -> List[DeploymentResponse]:
    async with get_client() as client:
        deployments = await client.read_deployments(
            work_pool_filter={"name": {"any_": [work_pool_name]}}
        )
        return deployments

Would you like me to explain any part of this in more detail or show you how to add specific filters to the query?