[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-13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 PreferredDealError.Reason (v202508)\n\n**Service** \n**ProposalLineItemService** **Dependencies** \n[PreferredDealError](/ad-manager/api/reference/v202508/ProposalLineItemService.PreferredDealError) \n▼\n**PreferredDealError.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_PRIORITY` | |\n| `INVALID_RATE_TYPE` | Preferred deal [proposal line items](/ad-manager/api/reference/v202508/ProposalLineItemService.ProposalLineItem) only support [RateType.CPM](/ad-manager/api/reference/v202508/ProposalLineItemService.RateType#CPM). |\n| `INVALID_FREQUENCY_CAPS` | Preferred deal [proposal line items](/ad-manager/api/reference/v202508/ProposalLineItemService.ProposalLineItem) do not support frequency caps. |\n| `INVALID_ROADBLOCKING_TYPE` | Preferred deal [proposal line items](/ad-manager/api/reference/v202508/ProposalLineItemService.ProposalLineItem) only support [RoadblockingType.ONE_OR_MORE](/ad-manager/api/reference/v202508/ProposalLineItemService.RoadblockingType#ONE_OR_MORE). |\n| `INVALID_DELIVERY_RATE_TYPE` | Preferred deal [proposal line items](/ad-manager/api/reference/v202508/ProposalLineItemService.ProposalLineItem) only support [DeliveryRateType.FRONTLOADED](/ad-manager/api/reference/v202508/ProposalLineItemService.DeliveryRateType#FRONTLOADED). |\n| `UNKNOWN` | |"]]
