Introduction
n8n is powerful, but like any automation platform, workflows sometimes break or behave unexpectedly. Learning how to troubleshoot common issues can save you hours of frustration. This detailed guide covers the most frequent n8n workflow problems and practical fixes.
Common Issues & Fixes
- Workflow Not Triggering
- Check if trigger node is active
- Verify cron schedule or webhook URL
- Review workflow activation status
- Credential Errors
- Confirm API keys and tokens are correct
- Re-authenticate integrations
- Use environment variables for sensitive data
- Data Mapping Failures
- Check input/output data in debug mode
- Use JSON parse/format nodes
- Validate field names and data types
- Rate Limiting & API Quotas
- Add delays or throttling in workflows
- Monitor API usage dashboards
- Upgrade API plan if necessary
- Infinite Loops
- Avoid circular triggers
- Add conditional nodes to break loops
- Execution Timeout
- Break long workflows into sub-flows
- Use queues or batch processing
Debugging Tools & Tips
- Use n8n’s built-in execution log
- Test with dummy data
- Comment nodes for clarity
How Our Workflow Pack Can Help
Our workflows include tested error handling and best practices perfect for beginners and pros alike:
Conclusion
With these troubleshooting skills, you’ll keep your automations reliable and efficient.