n8n Workflow Not Running? Troubleshooting Common Automation Errors

Why n8n workflows stop running in production: unpublished changes, test webhook URLs, timezones, expired credentials, and self-hosted setup, with fixes for each.
Make.com Scenario Not Running? A Practical Troubleshooting Guide

Why Make scenarios stop running or get deactivated, and how to diagnose schedules, webhooks, credits, connections, filters, incomplete executions, and error handlers.