type EntityChildrenLimitReachedError (v202505)
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AI-generated Key Takeaways
EntityChildrenLimitReachedError is an error that occurs when an entity has too many children, and it belongs to the ApiError inheritance chain.
This error is used in multiple services including AudienceSegmentService, CustomTargetingService, ForecastService, and InventoryService.
The error includes fields such as fieldPath, fieldPathElements, trigger, and errorString, which are inherited from ApiError.
Specific reasons for this error include reaching limits for line items on an order, creative associations for a line item, ad units for a placement, and various targeting expressions and custom targeting values.
Additional reasons for the error relate to limits on attachments and proposal line items for a proposal, products for a product package, base rates and premiums for a rate card, and native styles for a native ad format.
A parsed copy of the field path. For example, the field path "operations[1].operand"
corresponds to this list: {FieldPathElement(field = "operations", index = 1),
FieldPathElement(field = "operand", index = null)}.
trigger
xsd:string
The data that caused the error.
errorString
xsd:string
A simple string representation of the error and reason.
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.
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.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[],[]]