We are getting this error all of a sudden without making changes in our code.

Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/prefect/cli/_utilities.py", line 41, in wrapper
    return fn(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/prefect/utilities/asyncutils.py", line 260, in coroutine_wrapper
    return call()
           ^^^^^^
  File "/usr/local/lib/python3.11/site-packages/prefect/_internal/concurrency/calls.py", line 245, in __call__
    return self.result()
           ^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/prefect/_internal/concurrency/calls.py", line 173, in result
    return self.future.result(timeout=timeout)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 449, in result
    return self.__get_result()
           ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 401, in __get_result
    raise self._exception
  File "/usr/local/lib/python3.11/site-packages/prefect/_internal/concurrency/calls.py", line 218, in _run_async
    result = await coro
             ^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/prefect/cli/deployment.py", line 1143, in build
    deployment = await Deployment.build_from_flow(
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/prefect/deployments.py", line 783, in build_from_flow
    await deployment.load()
  File "/usr/local/lib/python3.11/site-packages/prefect/deployments.py", line 559, in load
    deployment = await client.read_deployment_by_name(
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/prefect/client/orchestration.py", line 1513, in read_deployment_by_name
    return schemas.responses.DeploymentResponse.parse_obj(response.json())
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "pydantic/main.py", line 526, in pydantic.main.BaseModel.parse_obj
  File "pydantic/main.py", line 341, in pydantic.main.BaseModel.__init__
pydantic.error_wrappers.ValidationError: 8 validation errors for DeploymentResponse
schedule -> interval
  field required (type=value_error.missing)
schedule -> timezone
  argument of type 'function' is not iterable (type=type_error)
schedule -> cron
  extra fields not permitted (type=value_error.extra)
schedule -> day_or
  extra fields not permitted (type=value_error.extra)
schedule -> timezone
  argument of type 'function' is not iterable (type=type_error)
schedule -> rrule
  field required (type=value_error.missing)
schedule -> cron
  extra fields not permitted (type=value_error.extra)
schedule -> day_or
  extra fields not permitted (type=value_error.extra)
An exception occurred.

Is anybody else having this issue?

Hi , yes I'm facing the same issue since yesterday