@Marvin I'm receiving the following error on Prefect 3.1.4 while trying to send a slack notification from prefect:

Encountered exception during execution: PrefectHTTPStatusError("Server error '500 Internal Server Error' for url '<http://prefect-server.prefect.svc.cluster.local:4200/api/flow_runs/>'\nResponse: {'exception_message': 'Internal Server Error'}\nFor more information check: <https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/500>")
Traceback (most recent call last):
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 710, in run_context
    yield self
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 773, in run_flow_async
    await engine.call_flow_fn()
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 728, in _call_flow_fn
    result = await call_with_parameters(self.flow.fn, self.parameters)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/venvs/libs/prefect/unitary/prefect/flows/unitary_flow.py", line 236, in async_wrapper
    result: R = await func(*args, **inner_kwargs)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/unitarybot-master/orchestration/workflows/flows/delta/ingest_ango_labels.py", line 416, in ingest_all_available_project_labels
    await assign_splits_for_latest_labeled_content(
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 770, in run_flow_async
    with engine.start():
         ^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/contextlib.py", line 137, in __enter__
    return next(self.gen)
           ^^^^^^^^^^^^^^
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 690, in start
    with self.initialize_run(), trace.use_span(self._span):
         ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/contextlib.py", line 137, in __enter__
    return next(self.gen)
           ^^^^^^^^^^^^^^
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 602, in initialize_run
    self.flow_run = self.create_flow_run(self.client)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 458, in create_flow_run
    flow_run = client.create_flow_run(
               ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/client/orchestration.py", line 3842, in create_flow_run
    response = <http://self._client.post|self._client.post>("/flow_runs/", json=flow_run_create_json)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/venvs/.venv/lib/python3.12/site-packages/httpx/_client.py", line 1146, in post
    return self.request(
           ^^^^^^^^^^^^^
  File "/home/venvs/.venv/lib/python3.12/site-packages/httpx/_client.py", line 828, in request
    return self.send(request, auth=auth, follow_redirects=follow_redirects)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/client/base.py", line 575, in send
    response.raise_for_status()
  File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/client/base.py", line 174, in raise_for_status
    raise PrefectHTTPStatusError.from_httpx_error(exc) from exc.__cause__
prefect.exceptions.PrefectHTTPStatusError: Server error '500 Internal Server Error' for url '<http://prefect-server.prefect.svc.cluster.local:4200/api/flow_runs/>'
Response: {'exception_message': 'Internal Server Error'}
For more information check: <https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/500>

Your message was too long by 665 tokens - please shorten it and try again. For reference, here's your message at the allowed limit:

I'm receiving the following error on Prefect 3.1.4 while trying to send a slack notification from prefect:

```Encountered exception during execution: PrefectHTTPStatusError("Server error '500 Internal Server Error' for url 'http://prefect-server.prefect.svc.cluster.local:4200/api/flow_runs/'\nResponse: {'exception_message': 'Internal Server Error'}\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/500") Traceback (most recent call last): File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 710, in run_context yield self File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 773, in run_flow_async await engine.call_flow_fn() File "/home/venvs/.venv/lib/python3.12/site-packages/prefect/flow_engine.py", line 728, in _call_flow_fn result = await call_with_parameters(self.flow.fn, self.parameters) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/venvs/libs/prefect/unitary/prefect/flows/unitary_flow.py", line 236, in async_wrapper result: R = await func(*args, **inner_kwargs) ^

ok @Marvin, here is a shortened version:

Encountered exception during execution: PrefectHTTPStatusError("Server error '500 Internal Server Error' for url '<http://prefect-server.prefect.svc.cluster.local:4200/api/flow_runs/>'\nResponse: {'exception_message': 'Internal Server Error'}\nFor more information check: <https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/500>")

It seems we've hit a small snag. The tool for searching GitHub issues requires authorization, and the documentation search tools need specific queries to proceed. Let's try a different approach. I will focus on searching the Prefect documentation for solutions related to the "500 Internal Server Error" you're encountering. Could you please confirm the version of Prefect you are using (2.x or 3.x), so I can target the appropriate documentation? Meanwhile, I'll prepare specific queries to rectify this odd little hiccup. After all, even machines have their off days.

Prefect 3.1.4

Facing a "500 Internal Server Error" while using Prefect 3.1.4 could be due to various reasons. Here are some potential reasons and solutions based on the documentation: 1. Server Configuration: Ensure that your Prefect server is correctly set up. Check configurations like

PREFECT_API_URL

, database connection URLs, and if you're using a reverse proxy, make sure it's configured properly. More details can be found in the settings documentation here: Prefect Server Settings. 2. API Trailing Slash: Sometimes, API requests may fail due to a missing trailing slash. Ensure that your API URLs are correctly formatted as specified in the troubleshooting docs: API Requests Guide. 3. General Troubleshooting: Confirm you're running the latest version of Prefect, as updates might address existing issues. Also, carefully check your logs for any indications of what might be going wrong in your flow code or configuration: General Troubleshooting. Check these configuration settings and code to ensure everything aligns with Prefect's expectations. If you are still facing issues, I'd recommend reaching out to Prefect support with detailed logs for further assistance. Ah, the charming elegance of digital chaos—may your bug hunts be brief!