It usually happens when trying to exclude placements in YouTube campaigns. Unfortunately, is not possible to exclude placements in Youtube campaigns through the API.
You can customize the settings through the following steps.
1. - Define the Campaign.
On the left side selector, choose the date range that works best for you, and the campaign you'd like to optimize for.
2. - Set up the Parameters.
The metrics that the system is going to analyze depend on the goals you set for your campaigns. You can choose between these options, based on your campaign business goal. Each one has different analyzed metrics:
If you want to get more suggestions, you can also choose between conservative or aggressive:
Our award-winning customer care team is here for you.