Enum describing possible conversion adjustment upload 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/conversion_adjustment_upload_error.proto)

| Enums ||
|---|---|
| ## `ADJUSTMENT_PRECEDES_CONVERSION` | Adjustment has an `adjustment_date_time` that occurred before the associated conversion. Make sure your `adjustment_date_time` is correct and try again. |
| ## `CANNOT_RESTATE_CONVERSION_ACTION_THAT_ALWAYS_USES_DEFAULT_CONVERSION_VALUE` | Can't make an adjustment to a conversion that is set up to use the default value. Check your conversion action value setting and try again. |
| ## `CONVERSION_ACTION_NOT_ELIGIBLE_FOR_ENHANCEMENT` | Can't use enhanced conversions with the specified conversion action. |
| ## `CONVERSION_ALREADY_ENHANCED` | Conversion already has enhancements with the same Order ID and conversion action. Make sure your data is correctly configured and try again. |
| ## `CONVERSION_ALREADY_RETRACTED` | The conversion was already retracted. This adjustment was not processed. |
| ## `CONVERSION_EXPIRED` | Adjustment can't be made to a conversion that occurred more than 54 days ago. |
| ## `CONVERSION_NOT_FOUND` | The conversion for this conversion action and conversion identifier can't be found. Make sure your conversion identifiers are associated with the correct conversion action and try again. |
| ## `CUSTOMER_DATA_POLICY_PROHIBITS_ENHANCEMENT` | Enhanced conversions can't be used for this account because of Google customer data policies. Contact your Google representative. |
| ## `CUSTOMER_NOT_ACCEPTED_CUSTOMER_DATA_TERMS` | Make sure you agree to the customer data processing terms in conversion settings and try again. |
| ## `DUPLICATE_ADJUSTMENT_IN_REQUEST` | Imported adjustment has a duplicate conversion adjustment with same `adjustment_date_time`. Make sure your adjustment has the correct `adjustment_date_time` and try again. |
| ## `DUPLICATE_ENHANCEMENT_IN_REQUEST` | Multiple enhancements have the same conversion action and Order ID. Make sure your data is correctly configured and try again. |
| ## `GCLID_DATE_TIME_PAIR_AND_ORDER_ID_BOTH_SET` | Cannot set both gclid_date_time_pair and order_id. Use only 1 type and try again. |
| ## `INVALID_CONVERSION_ACTION_TYPE` | The type of the conversion action specified in the adjustment request isn't supported for uploading adjustments. A conversion adjustment of type `RETRACTION` or `RESTATEMENT` is only permitted for conversion actions of type `SALESFORCE`, `UPLOAD_CLICK` or `WEBPAGE`. A conversion adjustment of type `ENHANCEMENT` is only permitted for conversion actions of type `WEBPAGE`. |
| ## `INVALID_JOB_ID` | The provided job id in the request is not within the allowed range. A job ID must be a positive integer in the range \[1, 2\^31). |
| ## `INVALID_USER_IDENTIFIER` | Make sure you hash user provided data using SHA-256 and ensure you are normalizing according to the guidelines. |
| ## `MISSING_ORDER_ID_FOR_WEBPAGE` | Adjustment for website conversion requires Order ID (ie, transaction ID). Make sure your website tags capture Order IDs and you send the same Order IDs with your adjustment. |
| ## `MORE_RECENT_RESTATEMENT_FOUND` | More recent adjustment `adjustment_date_time` has already been reported for the associated conversion. Make sure your adjustment `adjustment_date_time` is correct and try again. |
| ## `NO_CONVERSION_ACTION_FOUND` | The conversion action specified in the adjustment request cannot be found. Make sure it's available in this account. |
| ## `ORDER_ID_CONTAINS_PII` | Can't use adjustment with Order IDs containing personally-identifiable information (PII). |
| ## `RESTATEMENT_ALREADY_EXISTS` | The conversion has prior a restatement with the same `adjustment_date_time`. Make sure your adjustment has the correct and unique `adjustment_date_time` and try again. |
| ## `TOO_MANY_ADJUSTMENTS` | The conversion has already been adjusted the maximum number of times. Make sure you're only making necessary adjustment to existing conversion. |
| ## `TOO_MANY_ADJUSTMENTS_IN_REQUEST` | Try uploading fewer than 2001 adjustments in a single API request. |
| ## `TOO_RECENT_CONVERSION` | Adjustment can't be recorded because the conversion occurred too recently. Try adjusting a conversion that occurred at least 24 hours ago. |
| ## `TOO_RECENT_CONVERSION_ACTION` | Can't import events to a conversion action that was just created. Try importing again in 6 hours. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `UNSUPPORTED_USER_IDENTIFIER` | Use user provided data such as emails or phone numbers hashed using SHA-256 and try again. |