We have evaluated this issue and have determined it will not be addressed in the program in its current state. This message can be returned in this report when filtering by other gift specific fields when you limit the report by "Number of constituents" when "Number of constituents isn't included as the column". Number of constituents is a arbitrary field when breaking down the report by a gift filter and would not be included in the report results by default. To configure the report to limit by number of constituents when summarizing by a gift field, users can include "Number of constituents" as a column on the Fields tab.
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