tensorflow/models · error · ValueError

Layer inputs is missing features: {missing_features}

Error message

Layer inputs is missing features: {missing_features}

What it means

Error "Layer inputs is missing features: {missing_features}" thrown in tensorflow/models.

Source

Thrown at official/recommendation/uplift/layers/encoders/concat_features.py:59

    super().__init__(**kwargs)
    self._feature_names = feature_names

    # Validate feature names.
    if not feature_names:
      raise ValueError(
          "feature_names must be a non-empty list of strings but got"
          f" {feature_names} instead."
      )
    if not all(isinstance(name, str) for name in feature_names):
      raise TypeError(
          "feature_names must be a list of strings, but got types"
          f" {list(map(type, feature_names))}"
      )

  def build(self, input_shapes: Mapping[str, tf.TensorShape]) -> None:
    missing_features = set(self._feature_names) - input_shapes.keys()
    if missing_features:
      raise ValueError(f"Layer inputs is missing features: {missing_features}")

    feature_shapes = {
        feature_name: tensor_shape
        for feature_name, tensor_shape in input_shapes.items()
        if feature_name in self._feature_names
    }

    most_specific_shape = tf.TensorShape(None)
    for feature_name, shape in feature_shapes.items():
      if not isinstance(shape, tf.TensorShape):
        raise TypeError(
            f"Got unsupported tensor shape type for feature {feature_name}. The"
            " feature tensor must be one of `tf.Tensor`, `tf.SparseTensor` or"
            " `tf.RaggedTensor`, with a well defined tensor shape but got shape"
            f" {shape} instead."
        )

      shape = shape[:-1]

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/recommendation/uplift/layers/encoders/concat_features.py:59 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/a2c7260ff39c0292. Report an issue: GitHub.