.. module:: optuna.exceptions

Exceptions
==========

.. autoclass:: OptunaError
    :members:

.. autoclass:: TrialPruned
    :members:

.. seealso::
    The alias also exists as :class:`optuna.TrialPruned`.

.. autoclass:: CLIUsageError
    :members:

.. autoclass:: StorageInternalError
    :members:

.. autoclass:: DuplicatedStudyError
    :members: