AI-generated Key Takeaways
- 
          Click tracking is a special line item type with unique errors. 
- 
          Click tracking line items only support ad unit inventory targeting and have restrictions on roadblock and creative rotation types. 
- 
          Not all fields are supported by click tracking line items. 
Click tracking is a special line item type with a number of unique errors as described below.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| Field | |
|---|---|
| ApiError(inherited) | |
| 
                            | 
                            The OGNL field path to identify cause of error. | 
| 
                            | A parsed copy of the field path. For example, the field path "operations[1].operand" corresponds to this list: {FieldPathElement(field = "operations", index = 1), FieldPathElement(field = "operand", index = null)}. | 
| 
                            | 
                            The data that caused the error. | 
| 
                            | 
                            A simple string representation of the error and reason. | 
| ClickTrackingLineItemError | |
| 
                            | 
                            The error reason represented by an enum. Enumerations 
 |