{"record":{"id":"daa6a6c4a5ac2756","repo":"BerriAI/litellm","slug":"parameter-k-is-not-supported-for-model-model-daa6a6","errorCode":null,"errorMessage":"Parameter {k} is not supported for model {model}. Supported parameters are {supported_params} and width/height. Set drop_params=True to drop unsupported parameters.","messagePattern":"Parameter (.+?) is not supported for model (.+?)\\. Supported parameters are (.+?) and width/height\\. Set drop_params=True to drop unsupported parameters\\.","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"litellm/llms/azure_ai/image_generation/mai_transformation.py","lineNumber":153,"sourceCode":"        optional_params: dict,\n        model: str,\n        drop_params: bool,\n    ) -> dict:\n        supported_params: Final = self.get_supported_openai_params(model)\n\n        for k, v in non_default_params.items():\n            if k in optional_params:\n                continue\n\n            if k in supported_params:\n                if k == \"size\" and v:\n                    self._map_size_param(v, optional_params)\n                else:\n                    optional_params[k] = v\n            elif k in (\"width\", \"height\"):\n                optional_params[k] = v\n            elif not drop_params:\n                raise ValueError(\n                    f\"Parameter {k} is not supported for model {model}. \"\n                    f\"Supported parameters are {supported_params} and width/height. \"\n                    f\"Set drop_params=True to drop unsupported parameters.\"\n                )\n\n        if \"width\" not in optional_params:\n            optional_params[\"width\"] = self.DEFAULT_WIDTH\n        if \"height\" not in optional_params:\n            optional_params[\"height\"] = self.DEFAULT_HEIGHT\n\n        optional_params.pop(\"size\", None)\n        return optional_params\n\n    def _map_size_param(self, size: str, optional_params: dict) -> None:\n        size_mapping: Final = {\n            \"1024x1024\": (1024, 1024),\n            \"1792x1024\": (1792, 1024),\n            \"1024x1792\": (1024, 1792),","sourceCodeStart":135,"sourceCodeEnd":171,"githubUrl":"https://github.com/BerriAI/litellm/blob/6c2dcb801bf2b75c18f1bb24140e7cf57465cc4d/litellm/llms/azure_ai/image_generation/mai_transformation.py#L135-L171","documentation":"Error \"Parameter {k} is not supported for model {model}. Supported parameters are {supported_params} and width/height. Set drop_params=True to drop unsupported parameters.\" thrown in BerriAI/litellm.","triggerScenarios":"Thrown at litellm/llms/azure_ai/image_generation/mai_transformation.py:153 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"}