{"record":{"id":"3eeac197c5baa749","repo":"tensorflow/models","slug":"unknown-decoder-type-3eeac1","errorCode":null,"errorMessage":"Unknown decoder type: {}!","messagePattern":"Unknown decoder type: (.+?)!","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"official/projects/panoptic/tasks/panoptic_deeplab.py","lineNumber":103,"sourceCode":"      status = ckpt.read(ckpt_dir_or_file)\n      status.expect_partial().assert_existing_objects_matched()\n\n    logging.info('Finished loading pretrained checkpoint from %s',\n                 ckpt_dir_or_file)\n\n  def build_inputs(self,\n                   params: exp_cfg.DataConfig,\n                   input_context: Optional[tf.distribute.InputContext] = None):\n    \"\"\"Builds panoptic deeplab input.\"\"\"\n    decoder_cfg = params.decoder.get()\n\n    if params.decoder.type == 'simple_decoder':\n      decoder = panoptic_deeplab_input.TfExampleDecoder(\n          regenerate_source_id=decoder_cfg.regenerate_source_id,\n          panoptic_category_mask_key=decoder_cfg.panoptic_category_mask_key,\n          panoptic_instance_mask_key=decoder_cfg.panoptic_instance_mask_key)\n    else:\n      raise ValueError('Unknown decoder type: {}!'.format(params.decoder.type))\n\n    parser = panoptic_deeplab_input.Parser(\n        output_size=self.task_config.model.input_size[:2],\n        ignore_label=params.parser.ignore_label,\n        resize_eval_groundtruth=params.parser.resize_eval_groundtruth,\n        groundtruth_padded_size=params.parser.groundtruth_padded_size,\n        aug_scale_min=params.parser.aug_scale_min,\n        aug_scale_max=params.parser.aug_scale_max,\n        aug_rand_hflip=params.parser.aug_rand_hflip,\n        aug_type=params.parser.aug_type,\n        sigma=params.parser.sigma,\n        dtype=params.parser.dtype)\n\n    reader = input_reader_factory.input_reader_generator(\n        params,\n        dataset_fn=dataset_fn.pick_dataset_fn(params.file_type),\n        decoder_fn=decoder.decode,\n        parser_fn=parser.parse_fn(params.is_training))","sourceCodeStart":85,"sourceCodeEnd":121,"githubUrl":"https://github.com/tensorflow/models/blob/e006f5f0d534913e49c1f1dae87364039fa607e2/official/projects/panoptic/tasks/panoptic_deeplab.py#L85-L121","documentation":"Error \"Unknown decoder type: {}!\" thrown in tensorflow/models.","triggerScenarios":"Thrown at official/projects/panoptic/tasks/panoptic_deeplab.py:103 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"}