Traceback (most recent call last):
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/bin/alembic", line 8, in <module>
    sys.exit(main())
             ^^^^^^
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/alembic/config.py", line 636, in main
    CommandLine(prog=prog).main(argv=argv)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/alembic/config.py", line 626, in main
    self.run_cmd(cfg, options)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/alembic/config.py", line 603, in run_cmd
    fn(
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/alembic/command.py", line 236, in revision
    script_directory.run_env()
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/alembic/script/base.py", line 586, in run_env
    util.load_python_file(self.dir, "env.py")
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/alembic/util/pyfiles.py", line 95, in load_python_file
    module = load_module_py(module_id, path)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/alembic/util/pyfiles.py", line 113, in load_module_py
    spec.loader.exec_module(module)  # type: ignore
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap_external>", line 995, in exec_module
  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
  File "/Users/A200311784/Projects/AI Operator/src/doc-ingest-service/alembic_v2/env.py", line 29, in <module>
    from document_ingest_service.app.core.models_v2 import BaseV2  # noqa: E402 # order for readability
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/A200311784/Projects/AI Operator/src/doc-ingest-service/src/document_ingest_service/app/core/models_v2.py", line 101, in <module>
    class SessionContent(TimestampMixin, BaseV2, table=True):
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlmodel/main.py", line 549, in __init__
    DeclarativeMeta.__init__(cls, classname, bases, dict_, **kw)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/orm/decl_api.py", line 196, in __init__
    _as_declarative(reg, cls, dict_)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/orm/decl_base.py", line 244, in _as_declarative
    return _MapperConfig.setup_mapping(registry, cls, dict_, None, {})
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/orm/decl_base.py", line 325, in setup_mapping
    return _ClassScanMapperConfig(
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/orm/decl_base.py", line 576, in __init__
    self._setup_table(table)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/orm/decl_base.py", line 1759, in _setup_table
    table_cls(
  File "<string>", line 2, in __new__
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/util/deprecations.py", line 281, in warned
    return fn(*args, **kwargs)  # type: ignore[no-any-return]
           ^^^^^^^^^^^^^^^^^^^
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/sql/schema.py", line 427, in __new__
    return cls._new(*args, **kw)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/sql/schema.py", line 481, in _new
    with util.safe_reraise():
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/util/langhelpers.py", line 146, in __exit__
    raise exc_value.with_traceback(exc_tb)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/sql/schema.py", line 477, in _new
    table.__init__(name, metadata, *args, _no_init=False, **kw)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/sql/schema.py", line 869, in __init__
    self._init_items(
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/sql/schema.py", line 232, in _init_items
    spwd(self, **kw)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/sql/base.py", line 1324, in _set_parent_with_dispatch
    self._set_parent(parent, **kw)
  File "/Users/A200311784/miniconda3/envs/aiop-doc-ingest-service/lib/python3.12/site-packages/sqlalchemy/sql/schema.py", line 2323, in _set_parent
    raise exc.ArgumentError(
sqlalchemy.exc.ArgumentError: Column object 'created_at' already assigned to Table 'content_category'