[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],["The core content outlines error reasons for day-part targeting within the Ad Manager API's v202502 version. It lists services like Adjustment, Forecast, LineItem, and others that utilize day-part targeting. The `DayPartTargetingError.Reason` enumeration details specific issues: `INVALID_HOUR` (hour outside 0-24), `INVALID_MINUTE` (minute not 0, 15, 30, 45), `END_TIME_NOT_AFTER_START_TIME`, `TIME_PERIODS_OVERLAP`, and `UNKNOWN` (for unexposed API values). These errors govern the validity of time-based targeting configurations.\n"],null,["# enum DayPartTargetingError.Reason (v202502)\n\n**Service** \n[AdjustmentService](/ad-manager/api/reference/v202502/AdjustmentService.DayPartTargetingError.Reason) [ForecastService](/ad-manager/api/reference/v202502/ForecastService.DayPartTargetingError.Reason) [LineItemService](/ad-manager/api/reference/v202502/LineItemService.DayPartTargetingError.Reason) [LineItemTemplateService](/ad-manager/api/reference/v202502/LineItemTemplateService.DayPartTargetingError.Reason) [OrderService](/ad-manager/api/reference/v202502/OrderService.DayPartTargetingError.Reason) [ProposalLineItemService](/ad-manager/api/reference/v202502/ProposalLineItemService.DayPartTargetingError.Reason) **TargetingPresetService** [YieldGroupService](/ad-manager/api/reference/v202502/YieldGroupService.DayPartTargetingError.Reason) **Dependencies** \n[DayPartTargetingError](/ad-manager/api/reference/v202502/TargetingPresetService.DayPartTargetingError) \n▼\n**DayPartTargetingError.Reason**\n\nThe reasons for the target error.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|---------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `INVALID_HOUR` | Hour of day must be between 0 and 24, inclusive. |\n| `INVALID_MINUTE` | Minute of hour must be one of 0, 15,30, 45. |\n| `END_TIME_NOT_AFTER_START_TIME` | The [DayPart.endTime](/ad-manager/api/reference/v202502/TargetingPresetService.DayPart#endTime) cannot be after [DayPart.startTime](/ad-manager/api/reference/v202502/TargetingPresetService.DayPart#startTime). |\n| `TIME_PERIODS_OVERLAP` | Cannot create day-parts that overlap. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]
