**Error Message:** ``` Command 'npm run build' exited with 1 ``` **Cause:** Build script failed due to errors in code or dependencies **Solution:** ```bash Check build logs in Vercel dashboard. Run 'npm run build' locally to reproduce. ``` --- **Error Message:** ``` FUNCTION_INVOCATION_TIMEOUT ``` **Cause:** Serverless function exceeded execution time limit **Solution:** Optimize function code, use Edge Runtime, or upgrade plan for longer timeouts. --- **Error Message:** ``` Domain verificati...
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# Error Handling Reference
### Build Failed
**Error Message:**
```
Command 'npm run build' exited with 1
```
**Cause:** Build script failed due to errors in code or dependencies
**Solution:**
```bash
Check build logs in Vercel dashboard. Run 'npm run build' locally to reproduce.
```
---
### Function Timeout
**Error Message:**
```
FUNCTION_INVOCATION_TIMEOUT
```
**Cause:** Serverless function exceeded execution time limit
**Solution:**
Optimize function code, use Edge Runtime, or upgrade plan for longer timeouts.
---
### Domain Verification Failed
**Error Message:**
```
Domain verification failed
```
**Cause:** DNS records not configured correctly
**Solution:**
```typescript
Add required CNAME or A records. Wait for DNS propagation (up to 48h).
```
