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## Resource: Error Messages

## Article: Error Messages

## Article Link: https://dev.wix.com/docs/api-reference/business-solutions/bookings/services/service-options-and-variants/error-messages.md

## Article Content:

# Wix Bookings Service Options and Variants Errors


This article outlines error messages that might be issued when calling 
endpoints of the Wix Bookings Service Options and Variants API.


## Create Service Options and Variants Errors


The [Create Service Options and Variants](https://dev.wix.com/docs/api-reference/business-solutions/bookings/services/service-options-and-variants/create-service-options-and-variants.md) endpoint might issue the following error messages:

| <div style="width:200px">HTTP status</div> | <div style="width:250px">Error code</div> | <div style="width:280px">Error message </div>                                                                              | <div style="width:300px">Troubleshooting </div>                                                                                                                                                                                                                                                                                                                                                                                       |
|--------------------------------------------|-------------------------------------------|----------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `INVALID_ARGUMENT (400)`                   | `UNKNOWN_OPTION_IDS`                      | Unknown option IDs `<ids>` aren't supported in the variants array.                                                         | Make sure that all option IDs in the variants array align with the corresponding option IDs.                                                                                                                                                                                                                                                                                                                                          |
| `INVALID_ARGUMENT (400)`                   | `MULTIPLE_CURRENCIES`                     | Multiple currencies `<currencies>` aren't supported in the variants array.                                                            | Make sure that all variants use the same currency.                                                                                                                                                                                                                                                                                                                                                                                    |
| `INVALID_ARGUMENT (400)`                   | `UNSUPPORTED_OPTION_TYPE`                 | Option type `<optionType>` isn't supported for service `<serviceId>`.                                                      | You can only define staff member based variants in case the service has connected staff members. If the service has no staff members you can call [Update Schedule](https://dev.wix.com/docs/api-reference/business-solutions/bookings/calendar/schedules-and-sessions/schedule-and-sessions/update-schedule.md) to add them. To do so, add the relevant staff member IDs as `scheduleOwnerId` to the active schedule's `availability.linkedSchedules` array.                           |
| `INVALID_ARGUMENT (400)`                   | `UNKNOWN_STAFF_IDS`                       | Staff members `<staffIds>` aren't connected to service `<serviceId>`.                                                      | Some staff members specified in the variants array aren't connected to the service. Either call [Update Schedule](https://dev.wix.com/docs/api-reference/business-solutions/bookings/calendar/schedules-and-sessions/schedule-and-sessions/update-schedule.md) to add them. To do so, add the relevant staff member IDs as `scheduleOwnerId` to the active schedule's `availability.linkedSchedules` array. Or remove the staff members from the `variants` array.                      |
| `INVALID_ARGUMENT (400)`                   | `MISSING_STAFF_VARIANTS`                  | Staff members `<staffIds>` are missing in the variants array.                                                              | Not all staff members providing the service are specified in the variants array. Either call [Update Schedule](https://dev.wix.com/docs/api-reference/business-solutions/bookings/calendar/schedules-and-sessions/schedule-and-sessions/update-schedule.md) to remove staff members from the service. To do so, remove the relevant `scheduleOwnerId`s from the active schedule's `availability.linkedSchedules` array. Or remove the relevant staff members from the `variants` array. |
| `INVALID_ARGUMENT (400)`                   | `IDENTICAL_CHOICES`                       | Identical choices `<choices>` aren't supported.                                                                            | Make sure to remove identical choices from the request. Choices aren't case sensitive. For example, "Student" and "student" are considered to be the same choice.                                                                                                                                                                                                                                                                     |
| `INVALID_ARGUMENT (400)`                   | `MISSING_CUSTOM_CHOICES`                  | Choices `<choices>` are missing in the variants array.                                                                     | Make sure to provide all custom choices in the variants array. You could either add missing variants or remove unnecessary choices.                                                                                                                                                                                                                                                                                                   | 
| `INVALID_ARGUMENT (400)`                   | `UNSUPPORTED_OPTION_DATA`                 | Option data isn't supported for option type `<optionType>` that's used for service `<serviceId>`. | Make sure to pass `customData` for custom options or no data for staff member based options.                                                                                                                                                                                                                                                                                                                                          |

## Update Service Options and Variants Errors


The [Update Service Options and Variants](https://dev.wix.com/docs/api-reference/business-solutions/bookings/services/service-options-and-variants/update-service-options-and-variants.md) endpoint might issue the following error messages:

| <div style="width:200px">HTTP status</div> | <div style="width:250px">Error code</div> | <div style="width:280px">Error message </div>                                        | <div style="width:300px">Troubleshooting </div>                                                                                                                                                                                                                                                                                                                                                                                       |
|--------------------------------------------|-------------------------------------------|--------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `INVALID_ARGUMENT (400)`                   | `UNKNOWN_OPTION_IDS`                      | Unknown option IDs `<ids>` aren't supported in the variants array.                   | Make sure that all option IDs in the variants array align with the corresponding option IDs.                                                                                                                                                                                                                                                                                                                                          |
| `INVALID_ARGUMENT (400)`                   | `MULTIPLE_CURRENCIES`                     | Multiple currencies `<currencies>` aren't supported in the variants array.                      | Make sure that all variants use the same currency.                                                                                                                                                                                                                                                                                                                                                                                    |
| `INVALID_ARGUMENT (400)`                   | `UNSUPPORTED_OPTION_TYPE`                 | Option type `<optionType>` isn't supported for service `<serviceId>`.                | You can only define staff member based variants in case the service has connected staff members. If the service has no staff members you can call [Update Schedule](https://dev.wix.com/docs/api-reference/business-solutions/bookings/calendar/schedules-and-sessions/schedule-and-sessions/update-schedule.md) to add them. To do so, add the relevant staff member IDs as `scheduleOwnerId` to the active schedule's `availability.linkedSchedules` array.                           |
| `INVALID_ARGUMENT (400)`                   | `UNKNOWN_STAFF_IDS`                       | Staff members `<staffIds>` aren't connected to service `<serviceId>`.                | Some staff members specified in the variants array aren't connected to the service. Either call [Update Schedule](https://dev.wix.com/docs/api-reference/business-solutions/bookings/calendar/schedules-and-sessions/schedule-and-sessions/update-schedule.md) to add them. To do so, add the relevant staff member IDs as `scheduleOwnerId` to the active schedule's `availability.linkedSchedules` array. Or remove the staff members from the `variants` array.                      |
| `INVALID_ARGUMENT (400)`                   | `MISSING_STAFF_VARIANTS`                  | Staff members `<staffIds>` are missing in the variants array.                        | Not all staff members providing the service are specified in the variants array. Either call [Update Schedule](https://dev.wix.com/docs/api-reference/business-solutions/bookings/calendar/schedules-and-sessions/schedule-and-sessions/update-schedule.md) to remove staff members from the service. To do so, remove the relevant `scheduleOwnerId`s from the active schedule's `availability.linkedSchedules` array. Or remove the relevant staff members from the `variants` array. |
| `INVALID_ARGUMENT (400)`                   | `IDENTICAL_CHOICES`                       | Identical choices `<choices>` aren't supported.                                      | Make sure to remove identical choices from the request. Choices aren't case sensitive. For example, "Student" and "student" are considered to be the same choice.                                                                                                                                                                                                                                                                     |
| `INVALID_ARGUMENT (400)`                   | `MISSING_CUSTOM_CHOICES`                  | Choices `<choices>` are missing in the variants array.                               | Make sure to provide all custom choices in the variants array. You could either add missing variants or remove unnecessary choices.                                                                                                                                                                                                                                                                                                   | 
| `INVALID_ARGUMENT (400)`                   | `UNSUPPORTED_OPTION_SPECIFIC_DATA`        | Option data isn't supported for option type `<optionType>`. | Make sure to pass `customData` for custom options or no data for staff member based options.                                                                                                                                                                                                                                                                                                                                          |