Topic

How To

Tactical how-to / step-by-step / troubleshooting

How to fix the n8n LinkedIn "Requested version 20250401 is not active" error

The n8n LinkedIn node started failing with HTTP 426 NONEXISTENT_VERSION because the hard-coded LinkedIn-Version header (202504) was deprecated. Upgrade to n8n 2.18.0+ for the fixed value (202604), or replace the node with an HTTP Request node carrying an active version header.

How to fix UiPath Studio 2024.10.1 EEUI / 1603 install error

MSI exit 1603 on UiPath Studio 2024.10.1 hides an AV-blocked rundll32. Whitelist the installer, install .NET 4.8.1, re-run - here's the log line that proves it.

AI search invisibility: 7 reasons your site isn't cited (and how to fix each)

Most 'not cited by ChatGPT' diagnoses oversell the robots.txt fix. The seven real blockers cluster into access, extraction, and authority - here's the diagnostic for each.

How to get cited by ChatGPT, Perplexity, and Claude in 2026

Per-bot robots.txt rules, answer-extractable page structure, and JSON-LD schema - the three layers that actually move ChatGPT, Perplexity, and Claude citations in 2026.

How to fix Claude Code 'No available IDEs detected' in WSL with Cursor

Claude Code's /ide command says 'No available IDEs detected' when Cursor runs on Windows and the CLI runs in WSL. Launch Cursor from inside WSL to fix it. Telling five similar failures apart.

How to fix Claude Code creating a 'nul' file on Windows

Claude Code on Windows under Git Bash writes an undeletable file named nul into the project root. Delete it with the Win32 \?\ prefix, then update additionalDirectories so the CLI stops re-creating it.

How to fix Zapier "Response payload size exceeded maximum allowed payload size (6291556 bytes)" error

A Zap step throws "Response payload size exceeded maximum allowed payload size (6291556 bytes)" when the upstream returns more than ~6 MiB. Trim it: paginate, project fields, disable file content inlining, or replace the trigger with an inbound webhook.

How to fix MCP Token expired without refresh token in Claude Code

Claude Code's MCP OAuth loop forces a fresh /login every 24 hours. Here is why, and the three steps that actually break the cycle.

Fix Cursor 3 "Agent Execution Timed Out" and Jupyter not opening

The extension host is not running or is unresponsive. Three fixes: restart the extension host (Ctrl+Shift+P > Developer: Restart Extension Host), clear the extension cache, or disable conflicting extensions. Works on Windows and macOS.

SaaS Webhook Catalog: 30 Vendors, 1,119 Events, One Index

One index for every webhook event in your team-ops stack - 30 vendors, 1,119 events, consistent schema.