# exceptions ```{eval-rst} .. autoclass:: opensearchpy.AuthenticationException ``` ```{eval-rst} .. autoclass:: opensearchpy.AuthorizationException ``` ```{eval-rst} .. autoclass:: opensearchpy.ConflictError ``` ```{eval-rst} .. autoclass:: opensearchpy.ConnectionError ``` ```{eval-rst} .. autoclass:: opensearchpy.ConnectionTimeout ``` ```{eval-rst} .. autoclass:: opensearchpy.ImproperlyConfigured ``` ```{eval-rst} .. autoclass:: opensearchpy.NotFoundError ``` ```{eval-rst} .. autoclass:: opensearchpy.OpenSearchDeprecationWarning ``` ```{eval-rst} .. autoclass:: opensearchpy.OpenSearchException ``` ```{eval-rst} .. autoclass:: opensearchpy.OpenSearchWarning ``` ```{eval-rst} .. autoclass:: opensearchpy.RequestError ``` ```{eval-rst} .. autoclass:: opensearchpy.SerializationError ``` ```{eval-rst} .. autoclass:: opensearchpy.SSLError ``` ```{eval-rst} .. autoclass:: opensearchpy.TransportError ``` ```{eval-rst} .. autoclass:: opensearchpy.OpenSearchDslException ``` ```{eval-rst} .. autoclass:: opensearchpy.IllegalOperation ``` ```{eval-rst} .. autoclass:: opensearchpy.UnknownDslObject ``` ```{eval-rst} .. autoclass:: opensearchpy.ValidationException ```