FlashRedirectCreative.flashUrlandFlashRedirectCreative.fallbackUrlare the same. The fallback URL
is used when the flash URL does not work and must be different from it.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],[],null,["# enum CreativeError.Reason (v202505)\n\n**Service** \n[CreativeService](/ad-manager/api/reference/v202505/CreativeService.CreativeError.Reason) [CreativeSetService](/ad-manager/api/reference/v202505/CreativeSetService.CreativeError.Reason) [ForecastService](/ad-manager/api/reference/v202505/ForecastService.CreativeError.Reason) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202505/LineItemCreativeAssociationService.CreativeError.Reason) **LineItemService** [LineItemTemplateService](/ad-manager/api/reference/v202505/LineItemTemplateService.CreativeError.Reason) [OrderService](/ad-manager/api/reference/v202505/OrderService.CreativeError.Reason) [PublisherQueryLanguageService](/ad-manager/api/reference/v202505/PublisherQueryLanguageService.CreativeError.Reason) **Dependencies** \n[CreativeError](/ad-manager/api/reference/v202505/LineItemService.CreativeError) \n▼\n**CreativeError.Reason**\n\nThe reasons for the target error.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202505`\n\n| Enumeration | Description |\n|------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `FLASH_AND_FALLBACK_URL_ARE_SAME` | `FlashRedirectCreative.flashUrl` and `FlashRedirectCreative.fallbackUrl` are the same. The fallback URL is used when the flash URL does not work and must be different from it. |\n| `DESTINATION_URL_NOT_EMPTY` | [HasDestinationUrlCreative.destinationUrl](/ad-manager/api/reference/v202505/CreativeService.HasDestinationUrlCreative#destinationUrl) must be empty when its type is [DestinationUrlType.NONE](/ad-manager/api/reference/v202505/CreativeService.DestinationUrlType#NONE). |\n| `DESTINATION_URL_TYPE_NOT_SUPPORTED` | The provided [DestinationUrlType](/ad-manager/api/reference/v202505/CreativeService.DestinationUrlType) is not supported for the creative type it is being used on. |\n| `CANNOT_CREATE_OR_UPDATE_LEGACY_DFP_CREATIVE` | Cannot create or update legacy DART For Publishers creative. |\n| `CANNOT_CREATE_OR_UPDATE_LEGACY_DFP_MOBILE_CREATIVE` | Cannot create or update legacy mobile creative. |\n| `INVALID_COMPANY_TYPE` | Company type should be one of Advertisers, House Advertisers and Ad Networks. |\n| `DUPLICATE_ASSET_IN_CREATIVE` | Assets associated with the same creative must be unique. |\n| `CREATIVE_ASSET_CANNOT_HAVE_ID_AND_BYTE_ARRAY` | A creative asset cannot contain an asset ID and a byte array. |\n| `CANNOT_CREATE_OR_UPDATE_UNSUPPORTED_CREATIVE` | Cannot create or update unsupported creative. |\n| `CANNOT_CREATE_PROGRAMMATIC_CREATIVES` | Cannot create programmatic creatives. |\n| `INVALID_SIZE_FOR_THIRD_PARTY_IMPRESSION_TRACKER` | A creative must have valid size to use the third-party impression tracker. |\n| `CANNOT_DEACTIVATE_CREATIVES_IN_CREATIVE_SETS` | Ineligible creatives can not be deactivated. |\n| `HOSTED_VIDEO_CREATIVE_REQUIRES_VIDEO_ASSET` | Ad Manager hosted video creatives must contain a video asset. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]
