SAP Message WS321 - Multiple update of "actual" data may occur (see long text)

Diagnosis
Version '000' contains the statistical data from the current update.
This will be changed when you run the report.

Procedure
Check whether you really want to change the actual data of version'000' and whether the data on the selection screen is correct.
You must first delete the old data in version '000', otherwise thestatistical data may be updated several times.
Before you delete the data of version '000', you should save the data.
SAP recommend the following procedure:
First perform the recompilation with a version number that starts with'&( '. You can enter any character as the third character.
Copy the data resulting from the recompilation to version '000' usingthe relevant report or the copy management tool of the LogisticsInformation System.