[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-13 UTC."],[],[],null,["# enum DayPartTargetingError.Reason (v202508)\n\n**Service** \n**AdjustmentService** [ForecastService](/ad-manager/api/reference/v202508/ForecastService.DayPartTargetingError.Reason) [LineItemService](/ad-manager/api/reference/v202508/LineItemService.DayPartTargetingError.Reason) [LineItemTemplateService](/ad-manager/api/reference/v202508/LineItemTemplateService.DayPartTargetingError.Reason) [OrderService](/ad-manager/api/reference/v202508/OrderService.DayPartTargetingError.Reason) [ProposalLineItemService](/ad-manager/api/reference/v202508/ProposalLineItemService.DayPartTargetingError.Reason) [TargetingPresetService](/ad-manager/api/reference/v202508/TargetingPresetService.DayPartTargetingError.Reason) [YieldGroupService](/ad-manager/api/reference/v202508/YieldGroupService.DayPartTargetingError.Reason) **Dependencies** \n[DayPartTargetingError](/ad-manager/api/reference/v202508/AdjustmentService.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/v202508`\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/v202508/AdjustmentService.DayPart#endTime) cannot be after [DayPart.startTime](/ad-manager/api/reference/v202508/AdjustmentService.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. |"]]