{"record":{"id":"a3180d7e7724cf85","repo":"calesthio/OpenMontage","slug":"multi-prompt-must-be-a-list","errorCode":null,"errorMessage":"multi_prompt must be a list","messagePattern":"multi_prompt must be a list","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"tools/video/kling_official_video.py","lineNumber":481,"sourceCode":"        if \"watermark\" in inputs:\n            payload[\"watermark_info\"] = {\"enabled\": bool(inputs.get(\"watermark\"))}\n        callback_url = validate_callback_url(inputs.get(\"callback_url\"))\n        if callback_url:\n            payload[\"callback_url\"] = callback_url\n        if inputs.get(\"external_task_id\"):\n            payload[\"external_task_id\"] = inputs[\"external_task_id\"]\n\n    def _copy_multi_shot_fields(self, inputs: dict[str, Any], payload: dict[str, Any]) -> None:\n        if inputs.get(\"multi_shot\") is None and not inputs.get(\"multi_prompt\"):\n            return\n        payload[\"multi_shot\"] = bool(inputs.get(\"multi_shot\", True))\n        shot_type = str(inputs.get(\"shot_type\") or \"customize\")\n        if shot_type not in {\"customize\", \"intelligence\"}:\n            raise ValueError(\"shot_type must be one of: customize, intelligence\")\n        payload[\"shot_type\"] = shot_type\n        if inputs.get(\"multi_prompt\"):\n            if not isinstance(inputs[\"multi_prompt\"], list):\n                raise ValueError(\"multi_prompt must be a list\")\n            normalized: list[dict[str, Any]] = []\n            for item in inputs[\"multi_prompt\"]:\n                if not isinstance(item, dict) or not item.get(\"prompt\"):\n                    raise ValueError(\"each multi_prompt item must be an object with prompt\")\n                allowed = {\n                    key: item[key]\n                    for key in (\"prompt\", \"duration\", \"camera_control\", \"image_refs\", \"element_refs\")\n                    if key in item\n                }\n                normalized.append(allowed)\n            payload[\"multi_prompt\"] = normalized\n\n    def _normalize_omni_image_list(\n        self,\n        inputs: dict[str, Any],\n    ) -> tuple[list[dict[str, Any]], list[dict[str, Any]]]:\n        image_list: list[dict[str, Any]] = []\n        references_used: list[dict[str, Any]] = []","sourceCodeStart":463,"sourceCodeEnd":499,"githubUrl":"https://github.com/calesthio/OpenMontage/blob/95e1c3d0ab93482159818560f6a8c8e866b9139f/tools/video/kling_official_video.py#L463-L499","documentation":"Error \"multi_prompt must be a list\" thrown in calesthio/OpenMontage.","triggerScenarios":"multi_prompt is passed as a non-list value (e.g. a string or dict) for a multi-prompt Kling video request.","commonSituations":"See trigger scenarios.","solutions":["Pass multi_prompt as a JSON list (array), not a string or object.","Each entry must be an object such as {\"prompt\": \"...\", \"duration\": 5}."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"95e1c3d0ab93482159818560f6a8c8e866b9139f","analyzedAt":"2026-08-15T06:31:20.014Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}