Deleting the Production Version 
Use
The production version contains the technical information on how a material can be manufactured. If this technical method has become outdated, you can delete the production version.
Prerequisites
Procedure
The Production Version Overview dialog box appears.
Result
When deleting the production version (or a run schedule header) the reporting point information is also deleted.
See also:
Work in Process in Product Cost by Period
Changing the Cutoff Period
Variance Calculation