A Pivot's aggregation: a Group's (ยง11.5) with no name, since each value's column is named by the value. column is undefined for Count rows and '' until picked; the function is kept as saved, so an unknown one is held and reported.
column
undefined
''
A Pivot's aggregation: a Group's (ยง11.5) with no name, since each value's column is named by the value.
columnisundefinedfor Count rows and''until picked; the function is kept as saved, so an unknown one is held and reported.