Quick Answer
Most failures are due to expired codes, minimum spend not met, or excluded products (clearance/sale).
Checklist
| Issue | Fix |
|---|---|
| Code expired | Use current code from Coupons |
| Below minimum order | Add items to meet threshold |
| Clearance / excluded SKU | Code may not apply — check terms |
| Already used | One use per customer codes |
| Two codes entered | Only one code per order — stacking rules |
Still stuck? Screenshot the error and email service@kezvor.com with your cart contents.