Google Campaign Manager Incompatible Field Error on All Splits

My Google Campaign Manager (DFA) queries are returning an "Incompatible Fields" error on every single dimension/metric split.

Queries I've tried to run:

• Impressions only with no dimensions
• Date, Impressions
• Date, Media Cost, Impressions, Click, Video Plays, Video Completions
• Date, Placement, Ad, Creative, Media Cost, Impressions, Click, Video Plays, Video Completions
• Date, Placement, Placement ID, Ad, Ad ID, Creative, Creative ID, Media Cost, Impressions, Click, Video Plays, Video Completions

Help!