{"record":{"id":"9b1295e858226020","repo":"keras-team/keras","slug":"was-asked-to-retrieve-layer-at-index-index-but-m","errorCode":null,"errorMessage":"Was asked to retrieve layer at index {index} but model only has {len(self.layers)} layers.","messagePattern":"Was asked to retrieve layer at index (.+?) but model only has (.+?) layers\\.","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/models/model.py","lineNumber":206,"sourceCode":"\n        If `name` and `index` are both provided, `index` will take precedence.\n        Indices are based on order of horizontal graph traversal (bottom-up).\n\n        Args:\n            name: String, name of layer.\n            index: Integer, index of layer.\n\n        Returns:\n            A layer instance.\n        \"\"\"\n        if index is not None and name is not None:\n            raise ValueError(\n                \"Provide only a layer name or a layer index. Received: \"\n                f\"index={index}, name={name}.\"\n            )\n        if index is not None:\n            if len(self.layers) <= index:\n                raise ValueError(\n                    f\"Was asked to retrieve layer at index {index}\"\n                    f\" but model only has {len(self.layers)}\"\n                    \" layers.\"\n                )\n            else:\n                return self.layers[index]\n\n        if name is not None:\n            for layer in self.layers:\n                if layer.name == name:\n                    return layer\n            raise ValueError(\n                f\"No such layer: {name}. Existing layers are: \"\n                f\"{list(layer.name for layer in self.layers)}.\"\n            )\n        raise ValueError(\n            \"Provide either a layer name or layer index at `get_layer`.\"\n        )","sourceCodeStart":188,"sourceCodeEnd":224,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/models/model.py#L188-L224","documentation":"Error \"Was asked to retrieve layer at index {index} but model only has {len(self.layers)} layers.\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/models/model.py:206 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"}