Enum describing possible budget network setting errors.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/errors/budget_network_setting_error.proto)

| Enums ||
|---|---|
| ## `BUDGET_CAPS_UNSUPPORTED_FOR_ADVERTISING_CHANNEL_TYPE` | Budget caps are not supported for the specified advertising channel type. |
| ## `CANNOT_BE_SET_ON_FLIGHTED_BUDGET` | Budget network settings cannot be set on custom-period (flighted) budgets. |
| ## `CAP_NOT_ALLOWED_FOR_PRIMARY_TIER` | Budget caps are not allowed on channels in the primary priority tier (TIER1). |
| ## `CUSTOMER_NOT_ALLOWLISTED` | The customer is not allowlisted for budget network settings. |
| ## `DUPLICATE_CHANNEL_ACROSS_PRIORITY_TIERS` | A network channel cannot appear in more than one priority tier. |
| ## `INCOMPLETE_NETWORK_CHANNELS` | All supported network channels for the advertising channel type must be assigned to a priority tier. |
| ## `INVALID_PRIORITY_TIER` | The specified priority tier is invalid or unsupported. |
| ## `MISSING_PRIMARY_PRIORITY_CHANNEL` | A primary priority tier (TIER1) with at least one network channel is required. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |
| ## `UNSUPPORTED_ADVERTISING_CHANNEL_TYPE` | The specified advertising channel type is not supported for budget network settings. |
| ## `UNSUPPORTED_NETWORK_CHANNEL` | The specified network channel is not supported for the given advertising channel type. |