[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 document outlines the `LineItemOperationError.Reason` enumeration, detailing errors that can occur within various services like Forecast, LineItem, Order, and ProposalLineItem. These errors include operations not being allowed due to permissions, inapplicability to the LineItem's current state, completion status, and lack of active creatives. Other restrictions include not activating legacy line items, unconfigured deals, deleting delivered line items, or issues with advertiser credit status. The 'UNKNOWN' is for values not exposed by the API version.\n"],null,["# enum LineItemOperationError.Reason (v202502)\n\n**Service** \n[ForecastService](/ad-manager/api/reference/v202502/ForecastService.LineItemOperationError.Reason) [LineItemService](/ad-manager/api/reference/v202502/LineItemService.LineItemOperationError.Reason) [LineItemTemplateService](/ad-manager/api/reference/v202502/LineItemTemplateService.LineItemOperationError.Reason) [OrderService](/ad-manager/api/reference/v202502/OrderService.LineItemOperationError.Reason) [ProposalLineItemService](/ad-manager/api/reference/v202502/ProposalLineItemService.LineItemOperationError.Reason) **ProposalService** [PublisherQueryLanguageService](/ad-manager/api/reference/v202502/PublisherQueryLanguageService.LineItemOperationError.Reason) **Dependencies** \n[LineItemOperationError](/ad-manager/api/reference/v202502/ProposalService.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/v202502`\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/v202502/ForecastService.LineItem). |\n| `HAS_COMPLETED` | The [LineItem](/ad-manager/api/reference/v202502/ForecastService.LineItem) is completed. A [LineItemAction](/ad-manager/api/reference/v202502/LineItemService.LineItemAction) cannot be applied to a line item that is completed. |\n| `HAS_NO_ACTIVE_CREATIVES` | The [LineItem](/ad-manager/api/reference/v202502/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/v202502/ForecastService.LineItem) of type [LineItemType.LEGACY_DFP](/ad-manager/api/reference/v202502/AdRuleService.LineItemType#LEGACY_DFP) cannot be Activated. |\n| `CANNOT_ACTIVATE_UNCONFIGURED_LINE_ITEM` | A [LineItem](/ad-manager/api/reference/v202502/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/v202502/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/v202502/ForecastService.LineItem#advertiserId) it is associated with has [Company.creditStatus](/ad-manager/api/reference/v202502/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/v202502/ForecastService.LineItem#advertiserId) it is associated with has [Company.creditStatus](/ad-manager/api/reference/v202502/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. |"]]