If you want to regenerate your entire planning, you can delete all planning data such as costs, activity quantities, resource quantities, key figure quantities, and prices in your version for a given fiscal year.

To delete planning data, proceed as follows:

1. Choose Accounting ® Controlling ® Cost Center Accounting ® Planning ® Planning aids ® Delete ® Planning data.
2. Select the version and the fiscal year in which you want to delete planning data.
3. Maintain the following processing options:

1. If you want to delete large amounts of data, choose Background processing. This enables you to process data at times where system usage is at a minimum.
2. If you do not want to update the results immediately, select Test run.
3. To go ahead with deleting your planning data, deactivate Test run and choose Execute.