> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/SizeLimitErrorEnum.SizeLimitError).

Enum describing possible size limit errors.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/errors/size_limit_error.proto)

| Enums ||
|---|---|
| ## `REQUEST_SIZE_LIMIT_EXCEEDED` | The number of entries in the request exceeds the system limit, or the contents of the operations exceed transaction limits due to their size or complexity. Try reducing the number of entries per request. |
| ## `RESPONSE_SIZE_LIMIT_EXCEEDED` | The number of entries in the response exceeds the system limit. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |