The column you entered in Source for the summary is not one of the valid choices. The possible causes of this error include the following:
Case 1: The column does not exist.
Case 2: The Datatype of the Source is Character or Date. You cannot use numeric functions (such as Percent, Sum, or Average) unless the Datatype is Number.
Action:
You can take the following actions to correct this error:
If Case 1: Select a column from the list of values for the function.
If Case 2: Enter the name of another column in Source that is of Datatype Number.
Note: For help on other error messages, see Finding error message help.
Copyright © 1984, 2005, Oracle. All rights reserved.