[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 outlines error reasons (`CrossSellError.Reason`) related to cross-selling in an ad management system. Key information includes: restrictions on company types for partners, the immutability of partner network codes, required publisher features on both distributor and partner networks, and potential conflicts with ad unit names. It also details rule violations from cross-selling distributors, which can be errors or warnings, and how warnings can be suppressed. It includes all the reasons and what they mean for cross selling.\n"],null,["# enum CrossSellError.Reason (v202502)\n\n**Service** \n[CompanyService](/ad-manager/api/reference/v202502/CompanyService.CrossSellError.Reason) **ForecastService** [InventoryService](/ad-manager/api/reference/v202502/InventoryService.CrossSellError.Reason) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.CrossSellError.Reason) [LineItemService](/ad-manager/api/reference/v202502/LineItemService.CrossSellError.Reason) [LineItemTemplateService](/ad-manager/api/reference/v202502/LineItemTemplateService.CrossSellError.Reason) [OrderService](/ad-manager/api/reference/v202502/OrderService.CrossSellError.Reason) **Dependencies** \n[CrossSellError](/ad-manager/api/reference/v202502/ForecastService.CrossSellError) \n▼\n**CrossSellError.Reason**\n\nThe reason of the error.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|--------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `COMPANY_IS_NOT_DISTRIBUTION_PARTNER` | A company for cross-sell partner must be of type [Company.Type.PARTNER](/ad-manager/api/reference/v202502/CompanyService.Company.Type#PARTNER). |\n| `CHANGING_PARTNER_NETWORK_IS_NOT_SUPPORTED` | The network code of a cross-sell partner cannot be changed. |\n| `MISSING_DISTRIBUTOR_PARTNER_NAME` | A cross-sell partner must have a partner name. |\n| `DISTRIBUTOR_NETWORK_MISSING_PUBLISHER_FEATURE` | The cross-sell distributor publisher feature must be enabled. |\n| `CONTENT_PROVIDER_NETWORK_MISSING_PUBLISHER_FEATURE` | The cross-sell publisher features must be enabled on the partner's network. |\n| `INVALID_DISTRIBUTOR_PARTNER_NAME` | The cross-sell partner name conflicts with an ad unit name on the partner's network. |\n| `INVALID_CONTENT_PROVIDER_NETWORK` | The network code of a cross-sell partner is invalid. |\n| `CONTENT_PROVIDER_NETWORK_CANNOT_BE_ACTIVE_NETWORK` | The content provider network must be different than the distributor network. |\n| `CONTENT_PROVIDER_NETWORK_ALREADY_ENABLED_FOR_CROSS_SELLING` | The same network code was already enabled for cross-sell in a different company. |\n| `DISTRIBUTOR_RULE_VIOLATION_ERROR` | A rule defined by the cross selling distributor has been violated by a line item targeting a shared ad unit. Violating this rule is an error. |\n| `DISTRIBUTOR_RULE_VIOLATION_WARNING` | A rule defined by the cross selling distributor has been violated by a line item targeting a shared ad unit. Violating this rule is a warning. By setting [LineItem.skipCrossSellingRuleWarningChecks](/ad-manager/api/reference/v202502/ForecastService.LineItem#skipCrossSellingRuleWarningChecks), the content partner can suppress the warning (and create or save the line item). This flag is available beginning in V201411. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]