AI-generated Key Takeaways
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ProgrammaticError.Reason provides possible error reasons for programmatic errors within various services like ForecastService, LineItemService, and OrderService.
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Many features like audience extension, auto extension days, video, and roadblockinng are not supported by programmatic line items.
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Programmatic line items have restrictions on creative rotation, line item type, and cost type.
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There are limitations on updating fields or creating line items for approved orders or line items.
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Programmatic line items have specific requirements for creative size and a minimum cost per unit.
 
Possible error reasons for a programmatic error.
- Namespace
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https://www.google.com/apis/ads/publisher/v202505 
| Enumeration | Description | 
|---|---|
                        AUDIENCE_EXTENSION_NOT_SUPPORTED
                      | 
                     Audience extension is not supported by programmatic line items. | 
                        AUTO_EXTENSION_DAYS_NOT_SUPPORTED
                      | 
                     Auto extension days is not supported by programmatic line items. | 
                        VIDEO_NOT_SUPPORTED
                      | 
                     Video is currently not supported. | 
                        ROADBLOCKING_NOT_SUPPORTED
                      | 
                     Roadblocking is not supported by programmatic line items. | 
                        INVALID_CREATIVE_ROTATION
                      | 
                     Programmatic line items do not support CreativeRotationType.SEQUENTIAL. | 
                        INVALID_LINE_ITEM_TYPE
                      | 
                     Programmatic line items only support LineItemType.STANDARD and LineItemType.SPONSORSHIP if the relevant feature is on. | 
                        INVALID_COST_TYPE
                      | 
                     Programmatic line items only support CostType.CPM. | 
                        SIZE_NOT_SUPPORTED
                      | 
                     Programmatic line items only support a creative size that is supported by AdX. The list of supported sizes is maintained based on the list published in the help docs: https://support.google.com/adxseller/answer/1100453 | 
                        ZERO_COST_PER_UNIT_NOT_SUPPORTED
                      | 
                     Zero cost per unit is not supported by programmatic line items. | 
                        CANNOT_UPDATE_FIELD_FOR_APPROVED_LINE_ITEMS
                      | 
                     Some fields cannot be updated on approved line items. | 
                        CANNOT_CREATE_LINE_ITEM_FOR_APPROVED_ORDER
                      | 
                     Creating a new line item in an approved order is not allowed. | 
                        CANNOT_UPDATE_BACKFILL_WEB_PROPERTY_FOR_APPROVED_LINE_ITEMS
                      | 
                     Cannot change backfill web property for a programmatic line item whose order has been approved. | 
                        COST_PER_UNIT_TOO_LOW
                      | 
                     Cost per unit is too low. It has to be at least 0.005 USD. | 
                        INVALID_BUYER
                      | 
                     Error which occurs when a buyer is invalid given the state of the programmatic line item. | 
                        UNKNOWN
                      | 
                     The value returned if the actual value is not exposed by the requested API version. |