| 400 | EXTOMNISVCS-GET-CART-0001 | Required fields are missing |
| 400 | EXTOMNISVCS-GET-CART-0002 | Request Input validation failed |
| 400 | EXTOMNISVCS-GET-UNIFIED-APPOINTMENTS-0001 | Required fields are missing |
| 400 | EXTOMNISVCS-SBP-0001 | Resource not found |
| 400 | EXTOMNISVCS-SBP-0002 | Required fields are missing |
| 400 | EXTOMNISVCS-SBP-0003 | Request Input validation failed |
| 400 | EXTOMNISVCS-VALID_LOCATION_ID-GEO-0003 | Request Input validation failed |
| 500 | EXTOMNISVCS-FULFILLMENT-OPTIONS-0001 | Downstream service error occurred while fetching fulfillment options |
| 500 | EXTOMNISVCS-FULFILLMENT-OPTIONS-0002 | Request Input validation failed |