[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 content details the `RequiredSizeError.Reason` within the Google Ad Manager API v202502. It covers services like Creative, CreativeSet, Forecast, LineItemCreativeAssociation, LineItem, and more. Key actions involve managing sizes for creatives and line items. `RequiredSizeError.Reason` has three possible enumerations: `REQUIRED` (missing size), `NOT_ALLOWED` (sizes mismatch), and `UNKNOWN` (value not exposed by API). These errors relate to `Creative.size`, `LineItem.creativePlaceholders`, and `LineItemCreativeAssociation.sizes`.\n"],null,["# enum RequiredSizeError.Reason (v202502)\n\n**Service** \n[CreativeService](/ad-manager/api/reference/v202502/CreativeService.RequiredSizeError.Reason) [CreativeSetService](/ad-manager/api/reference/v202502/CreativeSetService.RequiredSizeError.Reason) [ForecastService](/ad-manager/api/reference/v202502/ForecastService.RequiredSizeError.Reason) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.RequiredSizeError.Reason) **LineItemService** [LineItemTemplateService](/ad-manager/api/reference/v202502/LineItemTemplateService.RequiredSizeError.Reason) [NativeStyleService](/ad-manager/api/reference/v202502/NativeStyleService.RequiredSizeError.Reason) [OrderService](/ad-manager/api/reference/v202502/OrderService.RequiredSizeError.Reason) [PublisherQueryLanguageService](/ad-manager/api/reference/v202502/PublisherQueryLanguageService.RequiredSizeError.Reason) **Dependencies** \n[RequiredSizeError](/ad-manager/api/reference/v202502/LineItemService.RequiredSizeError) \n▼\n**RequiredSizeError.Reason**\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|---------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `REQUIRED` | [Creative.size](/ad-manager/api/reference/v202502/CreativeService.Creative#size) or [LineItem.creativePlaceholders](/ad-manager/api/reference/v202502/LineItemService.LineItem#creativePlaceholders) size is missing. |\n| `NOT_ALLOWED` | [LineItemCreativeAssociation.sizes](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.LineItemCreativeAssociation#sizes) must be a subset of [LineItem.creativePlaceholders](/ad-manager/api/reference/v202502/LineItemService.LineItem#creativePlaceholders) sizes. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]