tensorflow/models · error

Unsupported converted_model: %s

Error message

Unsupported converted_model: %s

What it means

Error "Unsupported converted_model: %s" thrown in tensorflow/models.

Source

Thrown at official/nlp/tools/tf2_albert_encoder_checkpoint_converter.py:145

  # Create a temporary V1 name-converted checkpoint in the output directory.
  temporary_checkpoint_dir = os.path.join(output_dir, "temp_v1")
  temporary_checkpoint = os.path.join(temporary_checkpoint_dir, "ckpt")
  tf1_bert_checkpoint_converter_lib.convert(
      checkpoint_from_path=v1_checkpoint,
      checkpoint_to_path=temporary_checkpoint,
      num_heads=bert_config.num_attention_heads,
      name_replacements=ALBERT_NAME_REPLACEMENTS,
      permutations=tf1_bert_checkpoint_converter_lib.BERT_V2_PERMUTATIONS,
      exclude_patterns=["adam", "Adam"])

  # Create a V2 checkpoint from the temporary checkpoint.
  if converted_model == "encoder":
    model = _create_albert_model(bert_config)
  elif converted_model == "pretrainer":
    model = _create_pretrainer_model(bert_config)
  else:
    raise ValueError("Unsupported converted_model: %s" % converted_model)

  tf1_bert_checkpoint_converter_lib.create_v2_checkpoint(
      model, temporary_checkpoint, output_path, checkpoint_model_name)

  # Clean up the temporary checkpoint, if it exists.
  try:
    tf.io.gfile.rmtree(temporary_checkpoint_dir)
  except tf.errors.OpError:
    # If it doesn't exist, we don't need to clean it up; continue.
    pass


def main(_):
  output_path = FLAGS.converted_checkpoint_path
  v1_checkpoint = FLAGS.checkpoint_to_convert
  checkpoint_model_name = FLAGS.checkpoint_model_name
  converted_model = FLAGS.converted_model
  albert_config = configs.AlbertConfig.from_json_file(FLAGS.albert_config_file)

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/nlp/tools/tf2_albert_encoder_checkpoint_converter.py:145 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/190578f8fc75baf0. Report an issue: GitHub.