How to run n8n in queue mode with Redis and worker containers on Docker
A working docker-compose.yml for n8n queue mode: Redis broker, Postgres, main process, and worker replicas, plus how to verify workers actually pick up jobs.
Topic
No-Code
A collection of 40 issues
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.
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.
How to fix n8n Google Sheets "Quota exceeded" rate-limit errors
Google Sheets API allows around 100 reads per 100 seconds per user. In n8n: add a 1-second delay between items, enable batching on the node, or switch to a service account with its own quota.
n8n Code node: Run Once for All Items vs Each Item
Run Once for All Items uses $input.all() and returns an array; Run Once for Each Item uses $json and returns { json: ... }. Three traps to watch.
How to fix the Make HTTP module 40-second timeout error
Make's HTTP module times out individual requests at roughly 40 seconds. The fix is two-layered: retry transient slowness with Break, and redesign the call when the API is reliably slow.
How to work around Make's 40-minute scenario hard limit
Make caps every scenario at 40-45 minutes. The fix is architectural: split into webhook-handed-off children, checkpoint to a Data Store, voluntarily exit at 35:00.
n8n webhook returns 404: the most common causes and fixes
n8n 404 on webhooks is usually a wrong URL path, missing production webhook activation, or an n8n_disable_production_main_process flag. Steps to find and fix each cause.
How to fix the n8n "ECONNREFUSED" error in HTTP Request nodes
ECONNREFUSED means the target service is not listening on that port, or n8n is in Docker and cannot reach localhost. Replace localhost with host.docker.internal, verify the port, and check firewall rules.
Self-hosting n8n on a $5 DigitalOcean VPS: complete 2026 setup walkthrough
A 1 GB Ubuntu droplet, Docker Compose with n8n + Caddy, and the WEBHOOK_URL setting most tutorials skip - run in under 15 minutes.