**Service** [AudienceSegmentService](https://developers.google.com/ad-manager/api/reference/v202605/AudienceSegmentService.EntityChildrenLimitReachedError.Reason) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202605/CustomTargetingService.EntityChildrenLimitReachedError.Reason) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.EntityChildrenLimitReachedError.Reason) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202605/InventoryService.EntityChildrenLimitReachedError.Reason) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemCreativeAssociationService.EntityChildrenLimitReachedError.Reason) **LineItemService** [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemTemplateService.EntityChildrenLimitReachedError.Reason) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202605/NativeStyleService.EntityChildrenLimitReachedError.Reason) [OrderService](https://developers.google.com/ad-manager/api/reference/v202605/OrderService.EntityChildrenLimitReachedError.Reason) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202605/PlacementService.EntityChildrenLimitReachedError.Reason) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalLineItemService.EntityChildrenLimitReachedError.Reason) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalService.EntityChildrenLimitReachedError.Reason) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202605/TargetingPresetService.EntityChildrenLimitReachedError.Reason) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202605/YieldGroupService.EntityChildrenLimitReachedError.Reason) **Dependencies** [EntityChildrenLimitReachedE...](https://developers.google.com/ad-manager/api/reference/v202605/LineItemService.EntityChildrenLimitReachedError "EntityChildrenLimitReachedError") ▼ **EntityChildrenLimitReachedE...**

The reasons for the entity children limit reached error.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202605`

| Enumeration | Description |
|---|---|
| `LINE_ITEM_LIMIT_FOR_ORDER_REACHED` | The number of line items on the order exceeds the max number of line items allowed per order in the network. |
| `CREATIVE_ASSOCIATION_LIMIT_FOR_LINE_ITEM_REACHED` | The number of creatives associated with the line item exceeds the max number of creatives allowed to be associated with a line item in the network. |
| `AD_UNIT_LIMIT_FOR_PLACEMENT_REACHED` | The number of ad units on the placement exceeds the max number of ad units allowed per placement in the network. |
| `TARGETING_EXPRESSION_LIMIT_FOR_LINE_ITEM_REACHED` | The number of targeting expressions on the line item exceeds the max number of targeting expressions allowed per line item in the network. |
| `TARGETING_EXPRESSION_SIZE_LIMIT_REACHED` | The size of a single targeting expression tree exceeds the max size allowed by the network. |
| `CUSTOM_TARGETING_VALUES_FOR_KEY_LIMIT_REACHED` | The number of custom targeting values for the free-form or predefined custom targeting key exceeds the max number allowed. |
| `TARGETING_EXPRESSION_LIMIT_FOR_CREATIVES_ON_LINE_ITEM_REACHED` | The total number of targeting expressions on the creatives for the line item exceeds the max number allowed per line item in the network. |
| `ATTACHMENT_LIMIT_FOR_PROPOSAL_REACHED` | The number of attachments added to the proposal exceeds the max number allowed per proposal in the network. |
| `PROPOSAL_LINE_ITEM_LIMIT_FOR_PROPOSAL_REACHED` | The number of proposal line items on the proposal exceeds the max number allowed per proposal in the network. |
| `PRODUCT_LIMIT_FOR_PRODUCT_PACKAGE_REACHED` | The number of product package items on the product package exceeds the max number allowed per product package in the network. |
| `PRODUCT_TEMPLATE_AND_PRODUCT_BASE_RATE_LIMIT_FOR_RATE_CARD_REACHED` | The number of product template and product base rates on the rate card (including excluded product base rates) exceeds the max number allowed per rate card in the network. |
| `PRODUCT_PACKAGE_ITEM_BASE_RATE_LIMIT_FOR_RATE_CARD_REACHED` | The number of product package item base rates on the rate card exceeds the max number allowed per rate card in the network. |
| `PREMIUM_LIMIT_FOR_RATE_CARD_REACHED` | The number of premiums of the rate card exceeds the max number allowed per rate card in the network. |
| `AD_UNIT_LIMIT_FOR_AD_EXCLUSION_RULE_TARGETING_REACHED` | The number of ad units on `AdExclusionRule.inventoryTargeting` exceeds the max number of ad units allowed per ad exclusion rule inventory targeting in the network. |
| `NATIVE_STYLE_LIMIT_FOR_NATIVE_AD_FORMAT_REACHED` | The number of native styles under the native creative template exceeds the max number of native styles allowed per native creative template in the network. |
| `TARGETING_EXPRESSION_LIMIT_FOR_PRESENTATION_ASSIGNMENT_REACHED` | The number of targeting expressions on the native style exceeds the max number of targeting expressions allowed per native style in the network. |
| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |