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This page documents the CollectionSizeError.Reason enumeration for the Google Ad Manager API.
CollectionSizeError.Reason indicates why a collection size is invalid, either due to exceeding limits (TOO_LARGE) or for unknown reasons (UNKNOWN).
This error is often returned as part of a larger response from other Google Ad Manager services when dealing with collections of objects.
Developers should consult the documentation for the specific service and method encountering this error to understand its context and potential solutions.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 provided content outlines various services within an ad management platform, all associated with the `v202411` API version. These services encompass ad rules, adjustments, ad text, audience segments, content, creatives, custom fields, forecasting, inventory, line items, live stream events, mobile applications, networks, orders, proposals, reports, and more. Each service is linked to a `CollectionSizeError.Reason`, which can be `TOO_LARGE` or `UNKNOWN`. The namespace for these services is `https://www.google.com/apis/ads/publisher/v202411`.\n"]]