HAHamed Alneyadiinhamedlight.hashnode.dev·Aug 28 · 6 min read"columns.schema is required when columns.mappingMode is defineBelow" — What This n8n Error Actually MeansYour Google Sheets node fails before it writes anything, and the executions list shows this: columns.schema is required when columns.mappingMode is defineBelow You hit this if you did any of three th00
HAHamed Alneyadiinhamedlight.hashnode.dev·Aug 27 · 8 min readSix Reliability Patterns for n8n + AI Workflows (Measured on Real Runs)Most n8n + AI content shows you the happy path: trigger fires, AI responds, data lands, everyone claps. The happy path is the easy 80%. The remaining 20% - malformed AI output, rate limits, a Slack ou00
