GoogleMobileAds Framework Reference
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GADPresentationErrorCode
enum GADPresentationErrorCode : NSInteger {}
Error codes in the Google Mobile Ads SDK domain that surface due to errors when attempting to
present an ad.
-
Ad isn’t ready to be shown.
Declaration
Swift
case codeAdNotReady = 15
Objective-C
GADPresentationErrorCodeAdNotReady = 15
-
Ad is too large for the scene.
Declaration
Swift
case codeAdTooLarge = 16
Objective-C
GADPresentationErrorCodeAdTooLarge = 16
-
Declaration
Swift
case codeInternal = 17
Objective-C
GADPresentationErrorCodeInternal = 17
-
Ad has already been used.
Declaration
Swift
case codeAdAlreadyUsed = 18
Objective-C
GADPresentationErrorCodeAdAlreadyUsed = 18
-
Attempted to present ad from a non-main thread.
Declaration
Swift
case notMainThread = 21
Objective-C
GADPresentationErrorNotMainThread = 21
-
A mediation ad network adapter failed to present the ad. The adapter’s
error is included as an underlyingError.
Declaration
Swift
case mediation = 22
Objective-C
GADPresentationErrorMediation = 22
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Last updated 2025-08-20 UTC.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-20 UTC."],[[["\u003cp\u003e\u003ccode\u003eGADPresentationErrorCode\u003c/code\u003e is an enum representing error codes that can occur when presenting ads within the Google Mobile Ads SDK.\u003c/p\u003e\n"],["\u003cp\u003eThese errors indicate issues such as ad unavailability, incorrect size, internal problems, prior ad usage, threading errors, or mediation failures.\u003c/p\u003e\n"],["\u003cp\u003eEach error code has a corresponding constant value for both Swift and Objective-C.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can use these error codes to debug ad presentation issues within their apps.\u003c/p\u003e\n"]]],["The document outlines error codes within the Google Mobile Ads SDK for ad presentation failures. `GADPresentationErrorCode` lists possible errors: `AdNotReady` (15) indicates the ad isn't ready; `AdTooLarge` (16) means the ad is too big; `Internal` (17) signifies an internal SDK issue; `AdAlreadyUsed` (18) shows the ad was already shown; `NotMainThread` (21) happens if presentation isn't from the main thread; `Mediation` (22) suggests failure of a mediation ad network.\n"],null,["# GoogleMobileAds Framework Reference\n\nGADPresentationErrorCode\n========================\n\n enum GADPresentationErrorCode : NSInteger {}\n\nError codes in the Google Mobile Ads SDK domain that surface due to errors when attempting to\npresent an ad.\n- `\n ``\n ``\n `\n\n ### [GADPresentationErrorCodeAdNotReady](#/c:@E@GADPresentationErrorCode@GADPresentationErrorCodeAdNotReady)\n\n `\n ` \n Ad isn't ready to be shown. \n\n #### Declaration\n\n Swift \n\n case codeAdNotReady = 15\n\n Objective-C \n\n GADPresentationErrorCodeAdNotReady = 15\n\n- `\n ``\n ``\n `\n\n ### [GADPresentationErrorCodeAdTooLarge](#/c:@E@GADPresentationErrorCode@GADPresentationErrorCodeAdTooLarge)\n\n `\n ` \n Ad is too large for the scene. \n\n #### Declaration\n\n Swift \n\n case codeAdTooLarge = 16\n\n Objective-C \n\n GADPresentationErrorCodeAdTooLarge = 16\n\n- `\n ``\n ``\n `\n\n ### [GADPresentationErrorCodeInternal](#/c:@E@GADPresentationErrorCode@GADPresentationErrorCodeInternal)\n\n `\n ` \n Internal error. \n\n #### Declaration\n\n Swift \n\n case codeInternal = 17\n\n Objective-C \n\n GADPresentationErrorCodeInternal = 17\n\n- `\n ``\n ``\n `\n\n ### [GADPresentationErrorCodeAdAlreadyUsed](#/c:@E@GADPresentationErrorCode@GADPresentationErrorCodeAdAlreadyUsed)\n\n `\n ` \n Ad has already been used. \n\n #### Declaration\n\n Swift \n\n case codeAdAlreadyUsed = 18\n\n Objective-C \n\n GADPresentationErrorCodeAdAlreadyUsed = 18\n\n- `\n ``\n ``\n `\n\n ### [GADPresentationErrorNotMainThread](#/c:@E@GADPresentationErrorCode@GADPresentationErrorNotMainThread)\n\n `\n ` \n Attempted to present ad from a non-main thread. \n\n #### Declaration\n\n Swift \n\n case notMainThread = 21\n\n Objective-C \n\n GADPresentationErrorNotMainThread = 21\n\n- `\n ``\n ``\n `\n\n ### [GADPresentationErrorMediation](#/c:@E@GADPresentationErrorCode@GADPresentationErrorMediation)\n\n `\n ` \n A mediation ad network adapter failed to present the ad. The adapter's\n error is included as an underlyingError. \n\n #### Declaration\n\n Swift \n\n case mediation = 22\n\n Objective-C \n\n GADPresentationErrorMediation = 22"]]
