[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[[["\u003cp\u003eTrafficForecastSegmentError outlines the reasons for errors encountered with traffic forecast segments in Google Ad Manager.\u003c/p\u003e\n"],["\u003cp\u003eErrors may arise from attempting to modify segment targeting after creation, using non-unique targeting expressions, or encountering unknown issues.\u003c/p\u003e\n"],["\u003cp\u003eThe namespace for TrafficForecastSegmentError is \u003ccode\u003ehttps://www.google.com/apis/ads/publisher/v202411\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eDetailed error information, including a potential colliding segment ID, is available via ApiError.trigger.\u003c/p\u003e\n"]]],["The `TrafficForecastSegmentError` enumeration details error types within the `AdjustmentService`. Key actions and information include error reason types: `CANNOT_UPDATE_TARGETING_AFTER_CREATION`, indicating that segment targeting is immutable post-creation; `TARGETING_NOT_UNIQUE`, signaling non-unique targeting expressions with a provided colliding segment ID; and `UNKNOWN`, representing unexposed values. These are part of the `https://www.google.com/apis/ads/publisher/v202411` namespace.\n"],null,["# enum TrafficForecastSegmentError.Reason (v202411)\n\n**Service** \n**AdjustmentService** **Dependencies** \n[TrafficForecastSegmentError](/ad-manager/api/reference/v202411/AdjustmentService.TrafficForecastSegmentError) \n▼\n**TrafficForecastSegmentError...**\n\nError reason types for [TrafficForecastSegmentError](/ad-manager/api/reference/v202411/AdjustmentService.TrafficForecastSegmentError).\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202411`\n\n| Enumeration | Description |\n|------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `CANNOT_UPDATE_TARGETING_AFTER_CREATION` | Segment targeting cannot be changed after segment creation. |\n| `TARGETING_NOT_UNIQUE` | The targeting expression that defines the segment is not unique within the given network's segments. The ID of the colliding segment will be provided in the [ApiError.trigger](/ad-manager/api/reference/v202411/AdjustmentService.ApiError#trigger). |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]
