# Error codes

Below, a list of error codes that can be received as part of an error response with the `422` response code, indicating a failed business validation.

| Code | Parameters | Description |
| --- | --- | --- |
| `ANSWER_SELECTED_OPTIONS_FOR_NON_SELECTION_TYPE` | | Cannot provide selected answer options for a question that is not of input type `SELECT` or `MULTI_SELECT`. |
| `ANSWER_VALUE_FOR_SELECTION_TYPE` | | Cannot provide single answer value for a question with input type `SELECT` or `MULTI_SELECT`. |
| `APPLIED_TEMPLATE_DEFAULT_TEMPLATE` | | The default availability template cannot be applied. |
| `APPLIED_TEMPLATE_OVERLAP` | `type`, `overlappingAppliedTemplateId` | The applied template overlaps with an existing applied template. |
| `APPLIED_TEMPLATE_START_AFTER_END` | | The `endDate` must be greater than or equal to the `startDate` of an applied template. |
| `APPOINTMENT_COMPLETION_TOO_EARLY` | `completionAllowedDaysBeforeStart` | Appointments cannot be completed earlier than a specific number of days before their start time. This number is configured in the enterprise settings. |
| `APPOINTMENT_PRIMARY_CUSTOMER_MISSING` | | An appointment needs at least one `PRIMARY` `CUSTOMER` participant. |
| `APPOINTMENT_PRIMARY_EMPLOYEE_MISSING` | | An appointment needs at least one `PRIMARY` `EMPLOYEE` participant. |
| `APPOINTMENT_PRIMARY_PARTICIPANT_ADDED_OR_REMOVED` | | `PRIMARY` appointment participants cannot be added or removed. |
| `APPOINTMENT_LOCATION_REQUIRED` | | An on-location appointment must have a location. |
| `APPOINTMENT_NO_AVAILABILITY` | | No employees available on the chosen time slot. |
| `APPOINTMENT_PARTICIPANTS_NOT_UNIQUE` | | Participants need to be unique. |
| `APPOINTMENT_START_AFTER_END` | | The `end` must be strictly greater than the `start` of an appointment. |
| `APPOINTMENT_STATUS_INVALID` | `allowedStates` | The operation cannot be performed on the appointment because the appointment status does not allow it. |
| `AVAILABILITY_TEMPLATE_DEFAULT_TEMPLATE_MODIFICATION_NOT_ALLOWED` | | The default availability template cannot be modified. |
| `AVAILABILITY_TIME_RANGE_DAY_TEMPLATE_WITH_DAY_OF_WEEK` | | The day of the week cannot be set on availability time ranges for `DAY` availability templates. |
| `AVAILABILITY_TIME_RANGE_OVERLAP` | | Availability time ranges cannot overlap. |
| `AVAILABILITY_TIME_RANGE_START_AFTER_END` | | The `end` must be strictly greater than or equal to the `start` of an availability time range. |
| `AVAILABILITY_TIME_RANGE_WEEK_TEMPLATE_WITHOUT_DAY_OF_WEEK` | | The day of the week must be set on availability time ranges for `WEEK` availability templates. |
| `CUSTOMER_NOT_IDENTIFIABLE` | | A customer must have at least one of the following fields: `externalId`, `customerNumber`, `email`, `lastName`, `company`, `phoneNumber`. |
| `EMPLOYEE_ALREADY_ACTIVE` | | The employee cannot be activated because it is already active. |
| `EMPLOYEE_EMAIL_ALREADY_IN_USE` | | The provided email address for the employee is already in use for another employee. |
| `EMPLOYEE_OFFICE_RELATION_ROLE_MISMATCH` | | The office relation roles should match the available employee roles. |
| `EMPLOYEE_ONLINE_PLANNING_NON_AGENT` | | Online planning can only be enabled for `ACTIVE` employees with the `AGENT` role. |
| `EMPLOYEE_SUSPENDED` | | The operation cannot be performed on the employe because the employee is `SUSPENDED`. |
| `EMPLOYEE_UPDATE_STATUS_PENDING` | | Cannot set employee status to `PENDING`. |
| `FETCH_CONFIGURATION_LINKED_TO_QUESTION_ON_DELETE` | | A fetch configuration can only be deleted if it is not linked to a question. |
| `FILE_SCAN_MALICIOUS` | | The scan result of the file is malicious and can not be downloaded. |
| `FILE_SCAN_PENDING` | | The scan result of the file is pending and can not be downloaded. |
| `FILE_URL_INVALID` | | The provided URL for an uploaded file is invalid. |
| `LEAD_SEGMENT_CODE_ALREADY_IN_USE` | | The provided code for the lead segment is already in use for another lead segment. |
| `LISTING_TIME_SLOT_EMPLOYEE_NOT_LINKED` | `missingEmployees` | Employees assigned to a listing time slot must be linked to the parent listing. |
| `LISTING_TIME_SLOT_OVERLAP` | | Listing time slots cannot overlap. |
| `LOCATION_GEOCODING_FAILED` | | The geolocation could not be determined for the provided location. |
| `LOCATION_TIME_ZONE_RESOLUTION_FAILED` | | An error occurred while determining the time zone for the given location. |
| `QUESTION_FETCH_TYPE_WITHOUT_FETCH_CONFIGURATION` | | A question with input type `FETCH` should have a fetch configuration ID. |
| `QUESTION_NON_FETCH_TYPE_WITH_FETCH_CONFIGURATION` | | Only a question with input type `FETCH` can have a fetch configuration ID. |
| `QUESTION_NON_SELECTION_TYPE_WITH_ANSWER_OPTIONS` | | Answer options cannot be configured for a question that is not of type `SELECT` or `MULTI_SELECT`. |
| `QUESTION_SELECTION_TYPE_WITHOUT_ANSWER_OPTIONS` | | A question with input type `SELECT` or `MULTI_SELECT` should have at least one answer option. |
| `SETTING_APPOINTMENT_EARLIEST_LATEST_POSSIBLE_INVALID` | | The `appointmentLatestPossible` enterprise setting must be greater than or equal to `appointmentEarliestPossible`. |
| `SETTING_MANAGEABILITY_MODIFICATION_NOT_ALLOWED` | `key` | Cannot update a manageable enterprise setting to a non-manageable enterprise setting. |
| `SETTING_NON_MANAGEABLE` | `key` | Cannot update a non-manageable enterprise setting. |
| `SETTING_VALUE_INVALID` | `key` | The value of the enterprise setting is invalid. |
| `SUBJECT_GROUP_NOT_EMPTY_ON_DELETE` | | A subject group can only be deleted if it has no subjects. |
| `TIMETABLE_NOT_SCHEDULABLE` | | The requested combination is not schedulable. |
| `UNAVAILABILITY_OVERLAP` | | The user-defined unavailability overlaps with another existing user-defined unavailability. |

More information about error responses, other than the ones with the `422` response code, can be found in [Error response codes](../topic/topic-requests-and-responses#topic-error-response-codes).