AI-generated Key Takeaways
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          This enum describes possible errors related to extension feed items. 
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          Errors cover a wide range of issues including invalid values, incorrect formatting, unsupported types, and conflicts between settings. 
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          Specific errors are defined for various extension types such as call, app, review, and price extensions. 
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          General errors like invalid date/time, scheduling conflicts, and issues with feed mappings are also included. 
Enum describing possible extension feed item errors.
| Enums | |
|---|---|
| 
 | Enum unspecified. | 
| 
 | The received error code is not known in this version. | 
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 | Value is not within the accepted range. | 
| 
 | Url list is too long. | 
| 
 | Cannot have a geo targeting restriction without having geo targeting. | 
| 
 | Cannot simultaneously set sitelink field with final urls. | 
| 
 | Must set field with final urls. | 
| 
 | Phone number for a call extension is invalid. | 
| 
 | Phone number for a call extension is not supported for the given country code. | 
| 
 | A carrier specific number in short format is not allowed for call extensions. | 
| 
 | Premium rate numbers are not allowed for call extensions. | 
| 
 | Phone number type for a call extension is not allowed. For example, personal number is not allowed for a call extension in most regions. | 
| 
 | Phone number for a call extension does not meet domestic format requirements. | 
| 
 | Vanity phone numbers (for example, those including letters) are not allowed for call extensions. | 
| 
 | Call conversion action provided for a call extension is invalid. | 
| 
 | For a call extension, the customer is not on the allow-list for call tracking. | 
| 
 | Call tracking is not supported for the given country for a call extension. | 
| 
 | Customer hasn't consented for call recording, which is required for creating/updating call feed items. See https://support.google.com/google-ads/answer/7412639. | 
| 
 | App id provided for an app extension is invalid. | 
| 
 | Quotation marks present in the review text for a review extension. | 
| 
 | Hyphen character present in the review text for a review extension. | 
| 
 | A denylisted review source name or url was provided for a review extension. | 
| 
 | Review source name should not be found in the review text. | 
| 
 | Inconsistent currency codes. | 
| 
 | Price extension cannot have duplicated headers. | 
| 
 | Price item cannot have duplicated header and description. | 
| 
 | Price extension has too few items. | 
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 | Price extension has too many items. | 
| 
 | The input value is not currently supported. | 
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 | The input value is not currently supported in the selected language of an extension. | 
| 
 | Unknown or unsupported device preference. | 
| 
 | Invalid feed item schedule end time (for example, endHour = 24 and endMinute != 0). | 
| 
 | Date time zone does not match the account's time zone. | 
| 
 | Invalid structured snippet header. | 
| 
 | Cannot operate on removed feed item. | 
| 
 | Phone number not supported when call tracking enabled for country. | 
| 
 | Cannot set call_conversion_action while call_conversion_tracking_enabled is set to true. | 
| 
 | The type of the input extension feed item doesn't match the existing extension feed item. | 
| 
 | The oneof field extension for example, subtype of extension feed item is required. | 
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 | The referenced feed item is not mapped to a supported extension type. | 
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 | Cannot operate on a Feed with more than one active FeedMapping. | 
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 | Cannot operate on a Feed that has key attributes. | 
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 | Input price is not in a valid format. | 
| 
 | The promotion time is invalid. | 
| 
 | This field has too many decimal places specified. | 
| 
 | Concrete sub type of ExtensionFeedItem is required for this operation. | 
| 
 | Feed item schedule end time must be after start time. |