tensorflow/models · error · ValueError

`summary_interval` ({summary_interval}) must be larger than

Error message

`summary_interval` ({summary_interval}) must be larger than 0.

What it means

Error "`summary_interval` ({summary_interval}) must be larger than 0." thrown in tensorflow/models.

Source

Thrown at orbit/controller.py:197

      ValueError: If `summary_interval` is not a positive integer or is not
        divisible by `steps_per_loop`.
    """
    if trainer is None and evaluator is None:
      raise ValueError("`trainer` and `evaluator` should not both be `None`.")

    if trainer is not None:
      if steps_per_loop is None:
        raise ValueError(
            "`steps_per_loop` is required when `trainer` is provided.")
      elif not callable(steps_per_loop) and (
          not isinstance(steps_per_loop, int) or steps_per_loop < 1):
        raise ValueError(
            f"`steps_per_loop` ({steps_per_loop}) must be a positive integer "
            "or a callable.")

      if summary_interval is not None:
        if summary_interval <= 0:
          raise ValueError(
              f"`summary_interval` ({summary_interval}) must be larger than 0.")
        elif not callable(steps_per_loop) and (summary_interval % steps_per_loop
                                               != 0):
          raise ValueError(
              f"`summary interval` ({summary_interval}) must be a multiple "
              f"of `steps_per_loop` ({steps_per_loop}).")

    if not isinstance(global_step, tf.Variable):
      raise ValueError("`global_step` must be a `tf.Variable`.")

    self.trainer = trainer
    self.evaluator = evaluator

    self.strategy = strategy or tf.distribute.get_strategy()

    self.train_actions = () if train_actions is None else tuple(train_actions)
    self.eval_actions = () if eval_actions is None else tuple(eval_actions)

View on GitHub (pinned to e006f5f0d5)

Solutions

1. Set summary_interval to a value larger than 0.
2. Remove summary_interval to use the default.

When it happens

Trigger: Thrown at orbit/controller.py:197 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of tensorflow/models@e006f5f0d5 (2026-08-24). Data as JSON: /api/errors/f8c5d3dac959ac8d. Report an issue: GitHub.