> [!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/KeywordPlanAdGroupKeywordErrorEnum.KeywordPlanAdGroupKeywordError).

Enum describing possible errors from applying a keyword plan ad group keyword or keyword plan campaign keyword.

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

| Enums ||
|---|---|
| ## `DUPLICATE_KEYWORD` | A keyword or negative keyword with same text and match type already exists. |
| ## `INVALID_KEYWORD_MATCH_TYPE` | A keyword or negative keyword has invalid match type. |
| ## `INVALID_KEYWORD_TEXT` | Keyword or negative keyword has invalid text. |
| ## `KEYWORD_HAS_INVALID_CHARS` | Keyword or negative keyword text has invalid characters or symbols. |
| ## `KEYWORD_HAS_TOO_MANY_WORDS` | Keyword or negative keyword text has too many words. |
| ## `KEYWORD_TEXT_TOO_LONG` | Keyword or negative keyword text exceeds the allowed limit. |
| ## `NEGATIVE_KEYWORD_HAS_CPC_BID` | Cpc Bid set for negative keyword. |
| ## `NEW_BMM_KEYWORDS_NOT_ALLOWED` | New broad match modifier (BMM) KpAdGroupKeywords are not allowed. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |