[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 defines the `LiveStreamEventSlateError` within the `LiveStreamEventService`. This error enumeration specifies various reasons for slate-related issues, including an invalid or missing slate creative ID, a missing video source for the slate, an invalid slate type, and the inability to change the slate's video source URL. An `UNKNOWN` error is also listed for unexposed API versions. These errors help identify problems related to setting up slates within live stream events.\n"],null,["# enum LiveStreamEventSlateError.Reason (v202502)\n\n**Service** \n**LiveStreamEventService** [NetworkService](/ad-manager/api/reference/v202502/NetworkService.LiveStreamEventSlateError.Reason) **Dependencies** \n[LiveStreamEventSlateError](/ad-manager/api/reference/v202502/LiveStreamEventService.LiveStreamEventSlateError) \n▼\n**LiveStreamEventSlateError.R...**\n\nDescribes reasons for `LiveStreamEventSlateError`.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `INVALID_SLATE_CREATIVE_ID` | The slate creative ID does not correspond to a slate creative. |\n| `LIVE_STREAM_EVENT_SLATE_CREATIVE_ID_REQUIRED` | The required field live stream event slate is not set. There must either be a slate creative ID assigned to the live stream event or a valid network level slate selected. |\n| `MISSING_SOURCE_FOR_SLATE` | The slate does not have a videoSourceUrl or assetSourcePath. |\n| `INVALID_SLATE_TYPE` | The slate is of an invalid type. |\n| `CANNOT_CHANGE_SLATE_VIDEO_SOURCE_URL` | The slate video source url cannot change. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]
