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AI-generated Key Takeaways
ReservationDetailsError lists errors related to LineItem reservation details in the Google Ad Manager API.
This error inherits properties from ApiError, such as fieldPath, fieldPathElements, trigger, and errorString.
Specific reservation detail errors include issues with unlimited units bought, unlimited end dates, percentage units exceeding 100%, invalid durations, incorrect unit types, disallowed cost types, mismatches between cost and unit types, incorrect line item types for reservation, and unsupported dynamic allocation web properties.
The reason field provides an enumeration indicating the specific cause of the ReservationDetailsError.
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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],["The provided content outlines error handling and service functionalities within an API. Key services include ForecastService, LineItemService, LineItemTemplateService, OrderService, ProposalLineItemService, and PublisherQueryLanguageService. The core content focuses on ReservationDetailsError, detailing specific reasons for errors, such as `UNLIMITED_UNITS_BOUGHT_NOT_ALLOWED`, `PERCENTAGE_UNITS_BOUGHT_TOO_HIGH`, and `COST_TYPE_UNIT_TYPE_MISMATCH_NOT_ALLOWED`. Additionally, it defines inherited `ApiError` attributes, including `fieldPath`, `fieldPathElements`, `trigger`, and `errorString`. These errors dictate constraints on line item configurations like duration, unit type, and cost type.\n"]]