{"record":{"id":"07cbc6358615908e","repo":"keras-team/keras","slug":"invalid-data-format-data-format-07cbc6","errorCode":null,"errorMessage":"Invalid data_format: {data_format}","messagePattern":"Invalid data_format: (.+?)","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/legacy/backend.py","lineNumber":1408,"sourceCode":"\n    return x\n\n\n@keras_export(\"keras._legacy.backend.resize_volumes\")\ndef resize_volumes(x, depth_factor, height_factor, width_factor, data_format):\n    \"\"\"DEPRECATED.\"\"\"\n    if data_format == \"channels_first\":\n        output = repeat_elements(x, depth_factor, axis=2)\n        output = repeat_elements(output, height_factor, axis=3)\n        output = repeat_elements(output, width_factor, axis=4)\n        return output\n    elif data_format == \"channels_last\":\n        output = repeat_elements(x, depth_factor, axis=1)\n        output = repeat_elements(output, height_factor, axis=2)\n        output = repeat_elements(output, width_factor, axis=3)\n        return output\n    else:\n        raise ValueError(f\"Invalid data_format: {data_format}\")\n\n\n@keras_export(\"keras._legacy.backend.reverse\")\ndef reverse(x, axes):\n    \"\"\"DEPRECATED.\"\"\"\n    if isinstance(axes, int):\n        axes = [axes]\n    return tf.reverse(x, axes)\n\n\n@keras_export(\"keras._legacy.backend.rnn\")\ndef rnn(\n    step_function,\n    inputs,\n    initial_states,\n    go_backwards=False,\n    mask=None,\n    constants=None,","sourceCodeStart":1390,"sourceCodeEnd":1426,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/legacy/backend.py#L1390-L1426","documentation":"Error \"Invalid data_format: {data_format}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/legacy/backend.py:1408 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"}