n8n AI Agent Nodes Break After Google's Gemini Interactions API Migration: How to Fix It
Why n8n's Gemini and LangChain AI Agent nodes stopped returning usable responses, and the Code-node workaround while the official fix is still pending.
Topic
How To
Tactical how-to / step-by-step / troubleshooting
Fix n8n Chat UI output_text Error on Message Two
Fix the n8n Chat UI error that appears on the second message with a self-hosted LLM.
How to fix n8n HTTP Request Bearer auth 401 with pagination
n8n's HTTP Request node silently swaps a working Bearer token for the literal string "hidden" once pagination is enabled, causing every paginated request to fail with 401. Here's the exact workaround.
How to Fix Zapier's Discord Integration 2.0 Endless Reconnect Loop
Zapier's Discord integration 2.0 traps some accounts in a reconnect loop that the standard Reconnect button can't break. Here's the delete-and-recreate fix, the three-dots-menu alternative, and how to tell it apart from a separate permissions error.
How to Fix n8n AI Agent Tool Calls Not Saved in the Memory Node
n8n's AI Agent never writes the tool_calls array to Memory, so the model imitates a fake history and stops calling tools. Here are the two fixes that work today.
Fix LinkedIn "Requested Version Is Not Active" in Zapier and Make
LinkedIn retires its API version every year, and Zapier's and Make's LinkedIn connectors break when it does. Here's the same-day Zapier fix, and why Make has none yet.
Zapier and monday.com Webhooks Return 500 Error After monday's Federated API Migration: How to Fix It
Why a working Zapier-to-monday.com webhook suddenly starts throwing 500 errors, the header that fixes it, and why that fix isn't permanent.
Claude Code AskUserQuestion "No Response After 60s": How to Fix the AFK Timeout
Why Claude Code's AskUserQuestion silently answers itself after 60 seconds, and the version and config fix - plus the terminal-focus gotcha most write-ups skip.
How to fix Power Automate desktop flow NoCandidateMachine error
Decode the NoCandidateMachine sub-error codes and fix the session or machine state blocking your desktop flow, with the 12-hour queue timeout explained.
How to set up Entra Service Principal auth for n8n Microsoft nodes
Run n8n's Microsoft nodes unattended: the full Entra app registration and Service Principal credential setup for n8n 2.30, plus the node behaviour change to plan for.