# Error Handling Reference

| Error | Cause | Solution |
|-------|-------|----------|
| `429 Rate Limited` | Exceeding rate limits | Implement adaptive sampling |
| `Quota exhausted mid-month` | Uncontrolled volume | Set project rate limits and budget alerts |
| `High memory usage` | Large event buffer | Reduce `maxBreadcrumbs` and event size |
| `Events dropped silently` | Buffer overflow | Implement offline queue with persistence |