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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],["This document details the `EntityChildrenLimitReachedError`, a type of error encountered within the ad management system when a service exceeds its capacity for child entities. This error can occur across services like `AudienceSegmentService`, `CustomTargetingService`, `ForecastService`, and others. The `EntityChildrenLimitReachedError` specifies the `reason`, which can range from exceeding the maximum number of line items in an order to having too many targeting expressions on a line item. Inherits `ApiError`, and also contains fields `fieldPath`, `fieldPathElements`, `trigger` and `errorString`.\n"],null,[]]