You created a line item in a Display & Video 360 mobile web campaign that accidentally targets mobile in-app. You remove that mobile in-app targeting at the insertion order level, yet the campaign in continuing to target mobile-in app. What’s the issue here?

Here is the answer of the question: You created a line item in a Display & Video 360 mobile web campaign that accidentally targets mobile in-app. You remove that mobile in-app targeting at the insertion order level, yet the campaign in continuing to target mobile-in app. What’s the issue here?

• It’s impossible to modify existing line item targeting at the insertion order level.
• It’s impossible to modify insertion order targeting at the line item level.
• It’s impossible to modify targeting once the campaign has line items assigned.
• It’s impossible to modify targeting for mobile in-app inventory at the line item level.

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