[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-13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 LineItemOperationError.Reason (v202508)\n\n**Service** \n[ForecastService](/ad-manager/api/reference/v202508/ForecastService.LineItemOperationError.Reason) [LineItemService](/ad-manager/api/reference/v202508/LineItemService.LineItemOperationError.Reason) [LineItemTemplateService](/ad-manager/api/reference/v202508/LineItemTemplateService.LineItemOperationError.Reason) [OrderService](/ad-manager/api/reference/v202508/OrderService.LineItemOperationError.Reason) [ProposalLineItemService](/ad-manager/api/reference/v202508/ProposalLineItemService.LineItemOperationError.Reason) [ProposalService](/ad-manager/api/reference/v202508/ProposalService.LineItemOperationError.Reason) **PublisherQueryLanguageService** **Dependencies** \n[LineItemOperationError](/ad-manager/api/reference/v202508/PublisherQueryLanguageService.LineItemOperationError) \n▼\n**LineItemOperationError.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| `NOT_ALLOWED` | The operation is not allowed due to lack of permissions. |\n| `NOT_APPLICABLE` | The operation is not applicable for the current state of the [LineItem](/ad-manager/api/reference/v202508/ForecastService.LineItem). |\n| `HAS_COMPLETED` | The [LineItem](/ad-manager/api/reference/v202508/ForecastService.LineItem) is completed. A [LineItemAction](/ad-manager/api/reference/v202508/LineItemService.LineItemAction) cannot be applied to a line item that is completed. |\n| `HAS_NO_ACTIVE_CREATIVES` | The [LineItem](/ad-manager/api/reference/v202508/ForecastService.LineItem) has no active creatives. A line item cannot be activated with no active creatives. |\n| `CANNOT_ACTIVATE_LEGACY_DFP_LINE_ITEM` | A [LineItem](/ad-manager/api/reference/v202508/ForecastService.LineItem) of type [LineItemType.LEGACY_DFP](/ad-manager/api/reference/v202508/AdRuleService.LineItemType#LEGACY_DFP) cannot be Activated. |\n| `CANNOT_ACTIVATE_UNCONFIGURED_LINE_ITEM` | A [LineItem](/ad-manager/api/reference/v202508/ForecastService.LineItem) with publisher creative source cannot be activated if the corresponding deal is not yet configured by the buyer. |\n| `CANNOT_DELETE_DELIVERED_LINE_ITEM` | Deleting an [LineItem](/ad-manager/api/reference/v202508/ForecastService.LineItem) that has delivered is not allowed |\n| `CANNOT_RESERVE_COMPANY_CREDIT_STATUS_NOT_ACTIVE` | Reservation cannot be made for line item because the [LineItem.advertiserId](/ad-manager/api/reference/v202508/ForecastService.LineItem#advertiserId) it is associated with has [Company.creditStatus](/ad-manager/api/reference/v202508/CompanyService.Company#creditStatus) that is not `ACTIVE` or `ON_HOLD`. |\n| `CANNOT_ACTIVATE_INVALID_COMPANY_CREDIT_STATUS` | Cannot activate line item because the [LineItem.advertiserId](/ad-manager/api/reference/v202508/ForecastService.LineItem#advertiserId) it is associated with has [Company.creditStatus](/ad-manager/api/reference/v202508/CompanyService.Company#creditStatus) that is not `ACTIVE`, `INACTIVE`, or `ON_HOLD`. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]