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This page documents the NullError.Reason enumeration for the LabelService within the Google Ad Manager API.
NullError.Reason outlines the potential reasons for validation errors related to null values in requests sent to the Label Service.
Currently, the only defined reason is NULL_CONTENT, indicating that specified lists or containers within the request cannot contain null elements.
Developers should ensure that all required fields are populated with valid, non-null data when interacting with the Label Service to avoid these errors.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 various services within an ad management system, including Adjustment, Company, Creative, Forecast, Inventory, Label, and others. Each service is associated with a potential `NullError`, specifically due to `NULL_CONTENT`, where specified lists or containers must not have null elements. The namespace for these services is `https://www.google.com/apis/ads/publisher/v202411`. The services and null error reasons are all provided as references for developers.\n"]]