{"record":{"id":"26cada2cbab90a2c","repo":"HKUDS/nanobot","slug":"remote-image-urls-are-not-supported-use-base64-da","errorCode":null,"errorMessage":"Remote image URLs are not supported. Use base64 data URLs or upload files via multipart/form-data.","messagePattern":"Remote image URLs are not supported\\. Use base64 data URLs or upload files via multipart/form-data\\.","errorType":"validation","errorClass":"ValueError","httpStatus":400,"severity":"error","filePath":"nanobot/api/server.py","lineNumber":226,"sourceCode":"                        cast(object, part.get(\"text\", \"\")),\n                        \"messages[0].content[].text\",\n                    )\n                )\n            elif part.get(\"type\") == \"image_url\":\n                image_url = _require_json_object(\n                    cast(object, part.get(\"image_url\", {})),\n                    \"messages[0].content[].image_url\",\n                )\n                url = _require_json_string(\n                    cast(object, image_url.get(\"url\", \"\")),\n                    \"messages[0].content[].image_url.url\",\n                )\n                if url.startswith(\"data:\"):\n                    saved = _save_base64_data_url(url, media_dir)\n                    if saved:\n                        media_paths.append(saved)\n                elif url:\n                    raise ValueError(\n                        \"Remote image URLs are not supported. \"\n                        \"Use base64 data URLs or upload files via multipart/form-data.\"\n                    )\n        text = \" \".join(text_parts)\n    elif isinstance(user_content, str):\n        text = user_content\n    else:\n        raise ValueError(\"Invalid content format\")\n\n    return text, media_paths\n\n\nasync def _parse_multipart(request: web.Request) -> tuple[str, list[str], str | None, str | None]:\n    \"\"\"Parse multipart/form-data. Returns (text, media_paths, session_id, model).\"\"\"\n    media_dir = get_media_dir(\"api\")\n    reader = await request.multipart()\n    text = \"\"\n    session_id = None","sourceCodeStart":208,"sourceCodeEnd":244,"githubUrl":"https://github.com/HKUDS/nanobot/blob/42f37dc4c0e409eac7818a82d165c5f2757bc075/nanobot/api/server.py#L208-L244","documentation":"Error \"Remote image URLs are not supported. Use base64 data URLs or upload files via multipart/form-data.\" thrown in HKUDS/nanobot.","triggerScenarios":"Thrown at nanobot/api/server.py:226 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":"42f37dc4c0e409eac7818a82d165c5f2757bc075","analyzedAt":"2026-08-26T00:18:52.276Z","schemaVersion":2},"datasetVersion":"2026-08-26T04:18:47.238Z"}