Thanks for providing the report request and clientCustomerId. Your
VIDEO_PERFORMANCE_REPORT request contains the column
ClickType which is of behaviour type
Segment. When ClickType is included in the report, the fields with metric behavior (e.g. Impressions, Cost etc.) will have an impact as ads can serve with multiple click types displayed, impressions may be double counted and the totals may not be accurate. Due to field ClickType, the fields with metric behavior (e.g. Impressions, Cost) will return 0.