[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 details error reasons within the `CreativeSetService` and `CreativeService`. It outlines issues such as the requirement for enabled video or roadblock features, and restrictions on video creative creation/updates via the API. Other errors relate to advertiser consistency within a creative set, restrictions on master creative relationships (cannot be a companion, must only be part of one video set), and limitations regarding master creative updates and skippable ad types.\n"],null,["# enum CreativeSetError.Reason (v202502)\n\n**Service** \n[CreativeService](/ad-manager/api/reference/v202502/CreativeService.CreativeSetError.Reason) [CreativeSetService](/ad-manager/api/reference/v202502/CreativeSetService.CreativeSetError.Reason) **LineItemCreativeAssociation...** **Dependencies** \n[CreativeSetError](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.CreativeSetError) \n▼\n**CreativeSetError.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| `VIDEO_FEATURE_REQUIRED` | The 'video' feature is required but not enabled. |\n| `CANNOT_CREATE_OR_UPDATE_VIDEO_CREATIVES` | Video creatives (including overlays, VAST redirects, etc..) cannot be created or updated through the API. |\n| `ROADBLOCK_FEATURE_REQUIRED` | The 'roadblock' feature is required but not enabled. |\n| `MASTER_CREATIVE_CANNOT_BE_COMPANION` | A master creative cannot be a companion creative in the same creative set. |\n| `INVALID_ADVERTISER` | Creatives in a creative set must be for the same advertiser. |\n| `UPDATE_MASTER_CREATIVE_NOT_ALLOWED` | Updating a master creative in a creative set is not allowed. |\n| `MASTER_CREATIVE_CANNOT_BELONG_TO_MULTIPLE_VIDEO_CREATIVE_SETS` | A master creative must belong to only one video creative set. |\n| `SKIPPABLE_AD_TYPE_NOT_ALLOWED` | The is not allowed. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]