{"record":{"id":"35ac5e709e651886","repo":"keras-team/keras","slug":"unknown-arg-for-output-mode-output-mode","errorCode":null,"errorMessage":"Unknown arg for output_mode: {output_mode}","messagePattern":"Unknown arg for output_mode: (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/layers/preprocessing/category_encoding.py","lineNumber":99,"sourceCode":"    Call arguments:\n        inputs: A 1D or 2D tensor of integer inputs.\n        count_weights: A tensor in the same shape as `inputs` indicating the\n            weight for each sample value when summing up in `count` mode.\n            Not used in `\"multi_hot\"` or `\"one_hot\"` modes.\n    \"\"\"\n\n    def __init__(\n        self, num_tokens=None, output_mode=\"multi_hot\", sparse=False, **kwargs\n    ):\n        super().__init__(**kwargs)\n\n        # Support deprecated names for output_modes.\n        if output_mode == \"binary\":\n            output_mode = \"multi_hot\"\n\n        # 'output_mode' must be one of (\"count\", \"one_hot\", \"multi_hot\")\n        if output_mode not in (\"count\", \"one_hot\", \"multi_hot\"):\n            raise ValueError(f\"Unknown arg for output_mode: {output_mode}\")\n\n        if num_tokens is None:\n            raise ValueError(\n                \"num_tokens must be set to use this layer. If the \"\n                \"number of tokens is not known beforehand, use the \"\n                \"IntegerLookup layer instead.\"\n            )\n        if num_tokens < 1:\n            raise ValueError(\n                f\"`num_tokens` must be >= 1. Received: num_tokens={num_tokens}.\"\n            )\n        self.num_tokens = num_tokens\n        self.output_mode = output_mode\n        self.sparse = sparse\n        self._allow_non_tensor_positional_args = True\n        self._convert_input_args = False\n\n    def _encode(self, inputs, count_weights=None):","sourceCodeStart":81,"sourceCodeEnd":117,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/layers/preprocessing/category_encoding.py#L81-L117","documentation":"Error \"Unknown arg for output_mode: {output_mode}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/layers/preprocessing/category_encoding.py:99 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":"7a34a03db60bf60042242d6a556fc3be119046a5","analyzedAt":"2026-08-25T21:25:25.994Z","schemaVersion":2},"datasetVersion":"2026-08-26T02:17:13.382Z"}