AI-generated Key Takeaways
- 
          LineItemFlightDateError.Reason defines the possible reasons for errors related to line item flight dates. 
- 
          These reasons include issues with start and end dates being in the past or the end date not being after the start time. 
- 
          The UNKNOWN value indicates that the actual error reason is not available in the requested API version. 
The reasons for the target error.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| START_DATE_TIME_IS_IN_PAST | |
| END_DATE_TIME_IS_IN_PAST | |
| END_DATE_TIME_NOT_AFTER_START_TIME | |
| END_DATE_TIME_TOO_LATE | |
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |