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.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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\u003eThe \u003ccode\u003eNotNullError\u003c/code\u003e in Google Ad Manager's Placement Service arises when a null value is provided for a mandatory attribute.\u003c/p\u003e\n"],["\u003cp\u003eThis error details the problematic field path, offering insight into the origin of the issue.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ereason\u003c/code\u003e field further categorizes the error, specifying which argument or element was null.\u003c/p\u003e\n"],["\u003cp\u003eThe error structure includes \u003ccode\u003efieldPath\u003c/code\u003e, \u003ccode\u003efieldPathElements\u003c/code\u003e, \u003ccode\u003etrigger\u003c/code\u003e, and \u003ccode\u003eerrorString\u003c/code\u003e for comprehensive debugging information.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ereason\u003c/code\u003e field can contain values like \u003ccode\u003eARG1_NULL\u003c/code\u003e, \u003ccode\u003eARG2_NULL\u003c/code\u003e, \u003ccode\u003eNULL\u003c/code\u003e, and \u003ccode\u003eUNKNOWN\u003c/code\u003e to represent specific null value scenarios.\u003c/p\u003e\n"]]],["This document outlines various services within an ad management API, including `AdRuleService`, `AdjustmentService`, `PlacementService`, and many others, each with a corresponding reference link. The document details an error type, `NotNullError`, indicating a null value was provided for a required attribute. It defines error-related fields like `fieldPath`, `trigger`, and `errorString`, and provides `NotNullError.Reason` with specific cases like `ARG1_NULL`, `NULL` or `UNKNOWN`.\n"],null,[]]
