{"record":{"id":"3d9ff1df4ab3467e","repo":"tensorflow/models","slug":"sequence-length-must-be-specified-for-bigbird","errorCode":null,"errorMessage":"sequence_length must be specified for BigBird.","messagePattern":"sequence_length must be specified for BigBird\\.","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"official/projects/triviaqa/dataset.py","lineNumber":151,"sourceCode":"    self.sequence_length = sequence_length\n    self.stride = stride\n    if global_sequence_length is None and sequence_length is not None:\n      self.global_sequence_length = sequence_length // 16 + 64\n    else:\n      self.global_sequence_length = global_sequence_length\n    logging.info(\n        \"\"\"\n        global_sequence_length: %s\n        sequence_length: %s\n        stride: %s\n        sentencepiece_model_path: %s\"\"\",\n        self.global_sequence_length, self.sequence_length,\n        self.stride, self.sentencepiece_model_path)\n\n  def validate(self):\n    \"\"\"Validates that user specifies valid arguments.\"\"\"\n    if self.sequence_length is None:\n      raise ValueError(\"sequence_length must be specified for BigBird.\")\n    if self.stride is None:\n      raise ValueError(\"stride must be specified for BigBird.\")\n    if self.sentencepiece_model_path is None:\n      raise ValueError(\n          \"sentencepiece_model_path must be specified for BigBird.\")\n\n\ndef filter_files_for_big_bird(files):\n  filtered_files = [f for f in files if os.path.basename(f).startswith(\"wiki\")]\n  assert len(filtered_files) == 1, \"There should only be one wikipedia file.\"\n  return filtered_files\n\n\nclass TriviaQA(tfds.core.BeamBasedBuilder):\n  \"\"\"TriviaQA is a reading comprehension dataset.\n\n  It containss over 650K question-answer-evidence triples.\n  \"\"\"","sourceCodeStart":133,"sourceCodeEnd":169,"githubUrl":"https://github.com/tensorflow/models/blob/e006f5f0d534913e49c1f1dae87364039fa607e2/official/projects/triviaqa/dataset.py#L133-L169","documentation":"Error \"sequence_length must be specified for BigBird.\" thrown in tensorflow/models.","triggerScenarios":"Thrown at official/projects/triviaqa/dataset.py:151 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"e006f5f0d534913e49c1f1dae87364039fa607e2","analyzedAt":"2026-08-24T14:09:15.576Z","schemaVersion":2},"datasetVersion":"2026-08-24T17:17:21.512Z"}