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.
There is no limit on the number of ads delivered for a line item when you
set LineItem.duration to be
LineItemSummary.Duration.NONE. This can only be set for line
items of type LineItemType.PRICE_PRIORITY.
Network remnant line items cannot be changed to other line item types once delivery begins.
This restriction does not apply to any new line items created in Ad Manager.
BACKFILL_WEBPROPERTY_CODE_NOT_ALLOWED
A dynamic allocation web property can only be set on a line item of type
AdSense or Ad Exchange.
CPA_DEPRECATED
CPA LineItems can't have end dates older than February 22, 2024.
UNKNOWN
The value returned if the actual value is not exposed by the requested API version.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[[["\u003cp\u003eReservationDetailsError identifies errors related to a LineItem's reservation details in Google Ad Manager.\u003c/p\u003e\n"],["\u003cp\u003eIt is a subclass of ApiError and provides a reason field indicating the specific error.\u003c/p\u003e\n"],["\u003cp\u003eThe reason field can be one of several enum values like \u003ccode\u003eUNLIMITED_UNITS_BOUGHT_NOT_ALLOWED\u003c/code\u003e, \u003ccode\u003eDURATION_NOT_ALLOWED\u003c/code\u003e, etc., each specifying a particular reservation detail issue.\u003c/p\u003e\n"],["\u003cp\u003eThese errors occur when creating or updating LineItems with incorrect reservation settings like units bought, duration, cost type, and more, depending on the LineItemType.\u003c/p\u003e\n"],["\u003cp\u003eThis error helps developers understand and fix issues with LineItem reservation details during API interactions with Google Ad Manager.\u003c/p\u003e\n"]]],["The content outlines errors related to ad reservation details within the Ad Manager API. Core services include Forecast, LineItem, LineItemTemplate, Order, ProposalLineItem, and PublisherQueryLanguage. Key information includes a comprehensive list of error types under `ApiError`, such as `ApiVersionError`, `AuthenticationError`, and `QuotaError`. The `ReservationDetailsError` lists specific reasons, like `UNLIMITED_UNITS_BOUGHT_NOT_ALLOWED` and `COST_TYPE_NOT_ALLOWED`, indicating issues with line item settings like unit types, costs, and duration. The document highlights specific rules and restrictions that lead to these errors.\n"],null,[]]