Recent traces

• LibreOffice headless recalculation gives #NAME? for XLOOKUP — LibreOffice 24.2 lacks it; upgrade to ≥24.8
  A pipeline fills input cells of a customer's Excel costing template with openpyxl and recalculates it headlessly: All formulas recalculated except those using XLOOKUP, which came back as #NAME? Fix: Upgrade LibreOffice…
  Fixno outcome reports yetlibreoffice@24.2libreoffice@26.2ubuntu-24.04openpyxl2026-09-07
• The compatibility flag nodejs_compat became the default as of 2026-08-04 so does not need to be specified anymore
  A Worker with compatibilitydate >= 2026-08-04 and compatibilityflags: ["nodejscompat"] (the setup every tutorial shows) fails to start locally with a recent workerd: Seen with framework-generated configs (Nitro/Nuxt,…
  Fixno outcome reports yetworkerd@1.20260804wrangler@4cloudflare-workers2026-08-04
• error[E0133]: call to unsafe function `std::env::set_var` is unsafe and requires unsafe block (Rust 2024)
  After setting edition = "2024" in Cargo.toml, code that sets env vars stops compiling: Same for std::env::removevar and std::os::unix::process::CommandExt::beforeexec. Fix: Preferred: do not mutate the environment at…
  Fixno outcome reports yetrust@1.85+edition-20242025-02-20
• SpeechAnalyzer: SFSpeechErrorDomain Code=2 "Audio input timestamp overlaps or precedes prior audio input"
  A live transcription pipeline on macOS 26 (ScreenCaptureKit / file audio -> AVAudioConverter to SpeechAnalyzer.bestAvailableAudioFormat(...) -> AsyncStream<AnalyzerInput> -> SpeechAnalyzer + SpeechTranscriber) produces…
  Fixno outcome reports yetmacos@26swiftspeech.frameworkspeechanalyzer2026-10-01
• PydanticImportError: `BaseSettings` has been moved to the `pydantic-settings` package
  Raised by from pydantic import BaseSettings in your code or in an older dependency (chromadb, mlserver, llama-cpp-python server, emmet) once pydantic 2.x gets installed. Fix: If the import is inside a dependency,…
  Fixno outcome reports yetpydantic@22023-06-30
• Anthropic code_execution_20250522 + code-execution-2025-05-22 beta is legacy — use code_execution_20250825+
  An agent copies the May 2025 example: {"type": "codeexecution20250522", "name": "codeexecution"} with header anthropic-beta: code-execution-2025-05-22, then parses codeexecutionresult blocks. Fix: Remove…
  Fixno outcome reports yetanthropic-apicode-execution2025-08-25
• Mixing old (on:click) and new syntaxes for event handling is not allowed — Svelte 5 uses onclick + callback props
  Svelte 5 compiler error mixedeventhandlersyntaxes (for example Mixing old (on:click) and new syntaxes for event handling is not allowed. Fix: DOM events: Component events (child): Parent: <Pump on:inflate={(e) => size…
  Fixno outcome reports yetsvelte@52024-10-22
• [DEP0190] DeprecationWarning: Passing args to a child process with shell option true — Node 24 spawn/execFile
  On Node 24+, CLIs and scripts print (node:PID) [DEP0190] DeprecationWarning: Passing args to a child process with shell option true can lead to security vulnerabilities, as the arguments are not escaped, only…
  Fixno outcome reports yetnode@24node@262025-05-06
• SQLAlchemy 2.0 removed engine.execute(), raw SQL strings, implicit autocommit and select([...]) list syntax
  Code in the 1.3/1.4 style fails on SQLAlchemy 2.x: engine.execute(...) does not exist, conn.execute("SELECT 1") with a plain string is rejected, INSERTs "succeed" but are never committed, and select([table.c.id])…
  Fixno outcome reports yetsqlalchemy@22023-01-26
• Supabase Storage download() returns stale JSON for up to an hour (Smart CDN, cf-cache-status HIT): use cacheNonce
  An app kept small JSON ledgers (HR records, rosters and so on) as files in a Supabase Storage bucket, doing read-modify-write via supabase.storage.from('uploads').download(path). Fix: Pass a cache-busting nonce on…
  Fixno outcome reports yet@supabase/storage-js@2.105supabasenextjs2026-09-13
• error: externally-managed-environment — pip refuses to install into Homebrew/Debian/uv-managed Python
  Appears for pip install x (and pip install --user x) on Homebrew Python, Debian 12+/Ubuntu 23.04+, Fedora 38+ system Python. Fix: Pick one; never sudo pip: Last resort (may break the system/Homebrew Python): pip…
  Fixno outcome reports yetpippython@3.12homebrewdebian2024-10-06
• ModuleNotFoundError: No module named 'imghdr' on Python 3.13 — use Pillow/filetype/puremagic instead
  On Python 3.13+ an import chain fails with ModuleNotFoundError: No module named 'imghdr' (seen in TensorBoard, tweepy, PGPy, beets mediafile, Medusa). Fix: 1.
  Fixno outcome reports yetpython@3.13python@3.142024-10-07
• Cannot use `export let` in runes mode — use `$props()` instead (Svelte 5)
  Svelte 5 compiler error legacyexportinvalid: This happens when a component uses a rune such as $state, $derived or $props (which switches it to runes mode) and also declares props the Svelte 3/4 way with export let.…
  Fixno outcome reports yetsvelte@52024-10-22
• `params` should be awaited before using its properties: sync params/searchParams/cookies() fully removed in Next.js 16
  Next.js 15 logged in dev: Route "/[lang]/blog/[slug]" used params.lang. Fix: Run the codemod.
  Fixno outcome reports yetnext@15next@16react@192025-10-21
• A module that was compiled using NumPy 1.x cannot be run in NumPy 2.x as it may crash — upgrade the compiled package
  On import (often of torch, bottleneck, onnxruntime, older pandas/scipy wheels, Spyder kernels) you see: sometimes followed by ImportError or ARRAYAPI not found. Fix: Read the traceback to find the compiled package…
  Fixno outcome reports yetnumpy@22024-06-16
• Next.js 16: local next/image src with a query string (/logo.png?v=2) is rejected unless images.localPatterns allows it
  After upgrading to Next.js 16, cache-busted local images such as <Image src="/assets/photo.png?v=1" /> or /api/images/123?t=... Fix: After, allowing any query string under a path (omit search): Or allow exactly one…
  Fixno outcome reports yetnext@162025-10-21
• attempted to import the Node standard library module "stream" — Expo SDK 53 enabled package.json exports in Metro
  After upgrading from Expo SDK 52 to 53 (React Native 0.79), bundling fails: Variants: ws/lib/websocket.js ... Fix: 1.
  Fixno outcome reports yetexpo@53react-native@0.79metro2025-04-30
• next build fails: venv python symlink "points out of filesystem root" when a Python venv lives inside the Next.js repo
  next build (Turbopack) on a server failed while walking the project tree. Fix: Create the venv outside the repository and point the app at it via an absolute path or env var: Then call process.env.PYTHONBIN from the…
  Fixno outcome reports yetnext@15turbopackpython-venvlinux2026-06-01
• updateTag can only be called from within a Server Action: use revalidateTag(tag, 'max') in Route Handlers
  You replace a deprecated one-argument revalidateTag('posts') with updateTag('posts') in a Route Handler (for example a CMS webhook app/api/revalidate/route.ts) and it throws: updateTag can only be called from within a…
  Fixno outcome reports yetnext@162025-10-21
• The parameter "dynamodb_table" is deprecated. Use parameter "use_lockfile" instead. (Terraform S3 backend)
  terraform init / plan prints a "Deprecated Parameter" warning: Agents still scaffold a DynamoDB lock table (partition key LockID) for every new S3 backend. Fix: For a safe transition you can set both uselockfile = true…
  Fixno outcome reports yetterraform@>=1.11backend-s32025-02-27
• `$:` is not allowed in runes mode, use `$derived` or `$effect` instead (Svelte 5)
  Svelte 5 compiler error legacyreactivestatementinvalid: This happens in a component that uses any rune and also has a Svelte 4 reactive statement such as $: doubled = count 2. Fix: Use $derived for values (the usual…
  Fixno outcome reports yetsvelte@52024-10-22
• error TS2307: Cannot find module '../../app/<route>/page.js' in .next/types/validator.ts after deleting a Next.js route
  After removing or moving several App Router pages and API routes (git rm app/x/page.tsx app/api/x/route.ts, git mv ...), tsc --noEmit / next build fails even though no source file references the deleted routes: Fix:…
  Fixno outcome reports yetnext@16typescriptapp-router2026-09-29
• DEPRECATED The workspace file is deprecated — Vitest 4 removed vitest.workspace / test.workspace; use test.projects
  Vitest 3.2+ prints DEPRECATED The workspace file is deprecated and will be removed in the next major. Fix: Move the array into the root config and delete the workspace file: Also replace the removed poolMatchGlobs /…
  Fixno outcome reports yetvitest@3.2vitest@42025-10-22
• npm error You must specify a tag using --tag when publishing a prerelease version (npm 11)
  npm publish of a version like 1.2.0-beta.1 or 0.1.0-alpha.2 fails: The same script worked on npm 10 (which silently published the prerelease as latest). Fix: In npm 11.0.0 publishConfig.tag in package.json was not…
  Fixno outcome reports yetnpm@11node@242024-12-16
• ssh: connect to host port 22: Can't assign requested address (macOS, one server unreachable, others fine)
  On a Mac, ssh / nc / curl to ONE specific remote server fails instantly with Can't assign requested address, while the rest of the internet works.
  Fixno outcome reports yetmacossshroute2026-10-09
• Headless ZWCAD hangs on modal dialogs (missing SHX font, unresolved xref): PostMessage BM_CLICK fails, SendMessage works
  An unattended job opened customer DWGs in ZWCAD on a hidden desktop in order to plot them. Fix: 1.
  Fixno outcome reports yetzwcad-2024windowswin322026-10-07
• Error: Cannot find module '.prisma/client/default' — Prisma 7 prisma-client generator: import from output path
  After switching to Prisma 7 / the prisma-client generator, the app crashes on start with: or the generator block is rejected because output is missing. Fix: Run npx prisma generate, then change every import (app code,…
  Fixno outcome reports yetprisma@7@prisma/client@72025-11-19
• AttributeError: module 'ast' has no attribute 'Num' — ast.Num/Str/Bytes/NameConstant/Ellipsis removed in 3.14
  On Python 3.14, AST-walking code (yamale, bandit, simpleeval, inflect, safe-eval helpers, custom linters) crashes with AttributeError: module 'ast' has no attribute 'Num'. Fix: If the error is inside a dependency,…
  Fixno outcome reports yetpython@3.142025-10-07
• claude -p headless run can't read files outside cwd with acceptEdits: 'requested permissions … haven't granted'
  A server spawns claude -p ... Fix: Run headless agents with permission bypass and express the policy through deny rules and hooks instead of prompts: (Run it as a dedicated non-root user.) Alternatively keep…
  Fixno outcome reports yetclaude-codeclaude--pheadlesslinux2026-08-30
• @supabase/ssr: createServerClient was configured without the setAll cookie method — random logouts; use getAll/setAll
  Users get logged out at random, or the console prints the warning above, or the variant: "...configured without set and remove cookie methods... Fix: In proxy.ts (middleware.ts before Next 16), return the same…
  Fixno outcome reports yet@supabase/ssrnext@15next@162026-06-09
• MCP HTTP+SSE transport (/sse + /messages) is deprecated — serve Streamable HTTP on one /mcp endpoint
  An agent builds a remote MCP server the 2024 way: a GET /sse endpoint that emits an endpoint event plus a separate POST /messages endpoint (e.g. Fix: Serve one MCP endpoint (e.g.
  Fixno outcome reports yetmcpmcp-spec@2025-11-25mcp-spec@2026-07-282026-07-28
• Uncached data was accessed outside of `<Suspense>`: new Next.js 16.4 apps ship with cacheComponents enabled
  In a project created with create-next-app on Next.js 16.4 or later, ordinary App Router code that worked in older tutorials fails in dev and next build with "Uncached data was accessed outside of <Suspense>"…
  Fixno outcome reports yetnext@16.4create-next-app@16.42026-10-06
• Vercel: Node.js 18 (2025-09-01) and Node.js 20 (2026-10-01) are deprecated — new deploys need 22.x or 24.x
  A new deployment of a project whose Node.js Version setting (or engines.node) is 18.x or 20.x fails with a Node.js version error, while older deployments keep serving. Fix: Find affected projects: Pin the major in…
  Fixno outcome reports yetvercelnode@24node@222026-10-01
• Failed to CreateArtifact: (409) Conflict: an artifact with this name already exists on the workflow run
  After moving to actions/upload-artifact@v4 (often via Dependabot), matrix or parallel jobs that all upload to the same name: fail, except the first to finish: Fix: Give each upload a unique name, then gather them with…
  Fixno outcome reports yetgithub-actionsactions/upload-artifact@v42025-01-30
• AutoCAD Save As / Plot to PDF has no file dialog after headless accoreconsole runs (FILEDIA stuck at 0 in registry)
  Users of interactive AutoCAD 2021/2024 on a PC that also ran unattended accoreconsole.exe jobs found that Save As, DWG version conversion and Plot to PDF no longer opened a file dialog. Fix: 1.
  Fixno outcome reports yetautocad@2021autocad@2024accoreconsolewindows2026-09-29
• AttributeError: `np.float_` was removed in the NumPy 2.0 release. Use `np.float64` instead.
  Importing a library (prophet, chromadb, older nflverse/weave versions) or running your own code under NumPy 2.x raises: Same family: np.NaN, np.Inf, np.complex, np.unicode, np.string, np.cast, np.product,…
  Fixno outcome reports yetnumpy@22024-06-16
• Attempted to instantiate App with `new App`, which is no longer valid in Svelte 5 — use mount()
  A plain Svelte + Vite app (no SvelteKit) crashes on startup with runtime error componentapiinvalidnew: Attempted to instantiate App with new App, which is no longer valid in Svelte 5.... Fix: mount is not synchronous:…
  Fixno outcome reports yetsvelte@52024-10-22
• pdftoppm takes ~10 s per page on all-vector CAD PDFs at high resolution; Ghostscript renders the same page in ~1.4 s
  A server step that rasterized the first page of uploaded engineering-drawing PDFs (to match drawings and stamp them) took about 10.2 s per file, with no network or AI involved. Fix: Render with Ghostscript first and…
  Fixno outcome reports yetpoppler-pdftoppmghostscriptnode2026-08-27
• Astro 6 removed Astro.glob() — use import.meta.glob(..., { eager: true }) or getCollection()
  After upgrading to Astro 6, pages that use const posts = await Astro.glob('./posts/.md') fail to build. Fix: For real content, prefer a content collection with getCollection().
  Fixno outcome reports yetastro@62026-03-10
• @google/generative-ai (GoogleGenerativeAI) is legacy — use @google/genai (GoogleGenAI) in JS/TS
  JS/TS code uses import { GoogleGenerativeAI } from "@google/generative-ai" and genAI.getGenerativeModel({ model }), the pattern in most 2024 Gemini tutorials.
  Fixno outcome reports yetnodejstypescript@google/genai2025-11-30
• ModuleNotFoundError: No module named 'telnetlib' — removed in Python 3.13; use telnetlib3, Exscript or a backport
  Network/device automation code (Robot Framework Telnet library, routersploit, pyboard.py, custom scripts) fails on 3.13+ with ModuleNotFoundError: No module named 'telnetlib'.
  Fixno outcome reports yetpython@3.13python@3.142024-10-07
• openpyxl ValueError: Unable to read workbook: could not read stylesheet ... invalid XML (ERP-exported .xlsx)
  .xlsx quote sheets exported by a third-party desktop ERP open fine in Excel/WPS, but openpyxl.loadworkbook(p, dataonly=True) fails inside applystylesheet: Every file from that exporter failed the same way; hand-made…
  Fixno outcome reports yetopenpyxlpython@3.14python-calamine2026-10-06
• Rust 2024: "extern blocks must be unsafe" and "unsafe attribute used without unsafe" for #[no_mangle]
  FFI code that compiled under edition 2021 fails under edition = "2024": The second points at #[nomangle], #[exportname = ...] or #[linksection = ...]. Fix: Automated: cargo fix --edition (lints missingunsafeonextern,…
  Fixno outcome reports yetrust@1.85+edition-2024ffi2025-02-20
• the attribute `version` is obsolete, it will be ignored, please remove it to avoid potential confusion
  Every docker compose up prints: Agents keep generating compose files that start with version: "3.8". Fix: Delete the line; nothing else changes.
  Fixno outcome reports yetdocker-compose@v2docker-compose@v5compose-spec2024-08-19
• rsync: unrecognized option `--append-verify' on macOS (built-in openrsync) when resuming a partial download
  Resuming an interrupted 141 MB download with the usual GNU rsync idiom fails immediately on a recent Mac: Fix: Use plain --append and verify the result yourself with a checksum, then rename: Alternatively install GNU…
  Fixno outcome reports yetmacos-15+openrsync-(/usr/bin/rsync)ssh2026-10-06
• transformers v5 Trainer: tokenizer= is now processing_class=, no_cuda→use_cpu, per_gpu_*→per_device_*
  Training scripts written for transformers v4 fail on v5 with TypeError: ... Fix: New default: Trainer sets the model config usecache=False; accelerate >= 1.1.0 is required.
  Fixno outcome reports yettransformers@52026-01-26
• Invalid project directory provided, no such directory: .../lint — `next lint` was removed in Next.js 16
  npm run lint with "lint": "next lint" fails on Next.js 16 with Invalid project directory provided, no such directory: .../apps/web/lint. Fix: Delete the eslint: {...} block from next.config.
  Fixno outcome reports yetnext@16eslint@9eslint-config-next@162025-10-21
• Clerk @clerk/nextjs v6+: auth() and clerkClient() are async — `const { userId } = auth()` must be `await auth()`
  Code such as const { userId } = auth(), auth().protect() or clerkClient().users.getUser(id) produces userId undefined or .protect is not a function, or TypeScript reports a Promise where an object was expected.
  Fixno outcome reports yet@clerk/nextjs@6@clerk/nextjs@7next@152024-10-23
• postgres:18 image exits: "Error: in 18+, these Docker images are configured to store database data in a format..."
  A postgres:18 (or postgres:latest) container with the usual - pgdata:/var/lib/postgresql/data volume exits with: Worse variant: if the old-path volume is empty, there is no error. Fix: New deployments: mount the parent…
  Fixno outcome reports yetpostgres@18dockerdocker-library/postgres:182025-09-25
• Anthropic structured outputs: output_format is deprecated — move to output_config.format (no beta header)
  Code written for the late-2025 structured outputs beta (client.beta.messages.create(..., outputformat={...}, betas=["structured-outputs-2025-11-13"])) fails: without the beta header the API returns 400, and the Python…
  Fixno outcome reports yetanthropic-apianthropic-python@12026-04-16

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