{"record":{"id":"65587f95dae4db92","repo":"danny-avila/LibreChat","slug":"no-file-id-provided","errorCode":null,"errorMessage":"No file_id provided","messagePattern":"No file_id provided","errorType":"validation","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"api/server/services/Files/process.js","lineNumber":1324,"sourceCode":" * @param {Object} params - The parameters for the function.\n * @param {ServerRequest} params.req - The request object from Express.\n * @param {string} [params.req.endpoint]\n * @param {string} [params.req.file_id]\n * @param {number} [params.req.width]\n * @param {number} [params.req.height]\n * @param {number} [params.req.version]\n * @param {boolean} [params.image] - Whether the file expected is an image.\n * @param {boolean} [params.isAvatar] - Whether the file expected is a user or entity avatar.\n * @returns {void}\n *\n * @throws {Error} If a file exception is caught (invalid file size or type, lack of metadata).\n */\nfunction filterFile({ req, image, isAvatar }) {\n  const { file } = req;\n  const { endpoint, endpointType, file_id, width, height } = req.body;\n\n  if (!file_id && !isAvatar) {\n    throw new Error('No file_id provided');\n  }\n\n  if (file.size === 0) {\n    throw new Error('Empty file uploaded');\n  }\n\n  /* parse to validate api call, throws error on fail */\n  if (!isAvatar) {\n    isUUID.parse(file_id);\n  }\n\n  if (!endpoint && !isAvatar) {\n    throw new Error('No endpoint provided');\n  }\n\n  const appConfig = req.config;\n  const fileConfig = mergeFileConfig(appConfig.fileConfig);\n","sourceCodeStart":1306,"sourceCodeEnd":1342,"githubUrl":"https://github.com/danny-avila/LibreChat/blob/5ff282f9006c436e561de1afd39a481bea1ef0d8/api/server/services/Files/process.js#L1306-L1342","documentation":"filterFile() throws this at process.js:1324 when a non-avatar upload arrives with no file_id in the request body. file_id is the client-generated UUID that uniquely identifies the upload; it is mandatory for every non-avatar path because downstream code copies metadata.file_id into the file record. The avatar branch (isAvatar:true) is the only caller exempt, since it uses a different keying scheme.","triggerScenarios":"POST /api/files or POST /api/files/images with a multipart payload whose JSON/text body omits file_id. Also fires if the client posts file_id under a wrong key (e.g. fileId, id) or sends the field only as a multipart file name rather than a body field.","commonSituations":"Frontend form that builds FormData but forgets body.append('file_id', crypto.randomUUID()). A migration that renamed the field. A custom client hitting the API directly without reading the OpenAPI/route contract in api/server/routes/files/files.js:639.","solutions":["Confirm the request body includes file_id as a UUIDv4 string before submitting the multipart form.","Check that your client sends file_id in req.body, not as the multer file field name.","If you genuinely have no id (legacy caller), generate one client-side with crypto.randomUUID() and reuse it for the upload and the subsequent message attach."],"exampleFix":"// before\nconst form = new FormData();\nform.append('file', blob);\n// after\nconst form = new FormData();\nform.append('file', blob);\nform.append('file_id', crypto.randomUUID());\nform.append('endpoint', 'openAI');","handlingStrategy":"validation","validationCode":"function buildFileForm(file, endpoint) {\n  if (!endpoint) throw new Error('endpoint required');\n  const form = new FormData();\n  form.append('file', file);\n  form.append('file_id', crypto.randomUUID());\n  form.append('endpoint', endpoint);\n  return form;\n}","typeGuard":"const hasFileId = (body) => typeof body?.file_id === 'string' && body.file_id.length > 0;","tryCatchPattern":null,"preventionTips":["Centralize multipart construction in one client helper so file_id/endpoint are always set.","Assert the body shape in a test fixture that mirrors the production request."],"tags":["files","validation","api","upload"],"backgroundTag":null,"analyzedSha":"5ff282f9006c436e561de1afd39a481bea1ef0d8","analyzedAt":"2026-08-12T21:38:08.145Z","schemaVersion":2},"datasetVersion":"2026-08-12T23:17:12.415Z"}