The error may have occurred because the creatives were configured to run on the Android operating system instead of iOS.
- They set an HTML5 creative to run on desktop.
- They assigned the creative to work with several mobile carriers.
- They set the creatives to work with all mobile platforms types.
- They set the creatives for the Android operating system.
The correct answer is: They set the creatives for the Android operating system
Explanation: Campaign Manager 360 allows advertisers to target specific platforms, such as Android or iOS. If an advertiser intends to display ads within iOS news apps but mistakenly sets the creatives to target Android, the ads will not serve correctly, leading to errors. Ensuring that the platform targeting aligns with the intended audience is crucial for proper ad delivery. support.google.com