{"record":{"id":"b67bad71b6426f20","repo":"BerriAI/litellm","slug":"parameter-k-is-not-supported-for-model-model-b67bad","errorCode":null,"errorMessage":"Parameter {k} is not supported for model {model}. Supported parameters are {supported_params}. Set drop_params=True to drop unsupported parameters.","messagePattern":"Parameter (.+?) is not supported for model (.+?)\\. Supported parameters are (.+?)\\. Set drop_params=True to drop unsupported parameters\\.","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"litellm/llms/fal_ai/image_generation/flux_pro_v11_transformation.py","lineNumber":63,"sourceCode":"        }\n\n        for k in non_default_params:\n            if k not in optional_params:\n                if k in supported_params:\n                    mapped_key = param_mapping.get(k, k)\n                    mapped_value = non_default_params[k]\n\n                    if k == \"response_format\":\n                        if mapped_value in [\"b64_json\", \"url\"]:\n                            mapped_value = \"jpeg\"\n                    elif k == \"size\":\n                        mapped_value = self._map_image_size(mapped_value)\n\n                    optional_params[mapped_key] = mapped_value\n                elif drop_params:\n                    continue\n                else:\n                    raise ValueError(\n                        f\"Parameter {k} is not supported for model {model}. \"\n                        f\"Supported parameters are {supported_params}. \"\n                        \"Set drop_params=True to drop unsupported parameters.\"\n                    )\n\n        return optional_params\n\n    def _map_image_size(self, size: Any) -> Any:\n        if isinstance(size, dict):\n            return size\n        if not isinstance(size, str):\n            return size\n\n        if size in self._OPENAI_SIZE_TO_IMAGE_SIZE:\n            return self._OPENAI_SIZE_TO_IMAGE_SIZE[size]\n\n        if \"x\" in size:\n            try:","sourceCodeStart":45,"sourceCodeEnd":81,"githubUrl":"https://github.com/BerriAI/litellm/blob/6c2dcb801bf2b75c18f1bb24140e7cf57465cc4d/litellm/llms/fal_ai/image_generation/flux_pro_v11_transformation.py#L45-L81","documentation":"Error \"Parameter {k} is not supported for model {model}. Supported parameters are {supported_params}. Set drop_params=True to drop unsupported parameters.\" thrown in BerriAI/litellm.","triggerScenarios":"Thrown at litellm/llms/fal_ai/image_generation/flux_pro_v11_transformation.py:63 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Remove the unsupported parameter or set drop_params=True."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"6c2dcb801bf2b75c18f1bb24140e7cf57465cc4d","analyzedAt":"2026-08-15T07:12:03.035Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}