SAP Message WMOD017 - Quota scale &1 deleted

Diagnosis
You entered a quota scalewhich you previously deleted.

System Response
You cannot processing the quota scale.

Procedure
If you really want to delete the quota scale, select a different quotascale for processing or cancel switching to the quota scale. After youhave finished, save your entries.
If you do not want to delete the quota scale, cancel the whole session.To keep the old data, choose Exit or Back. When themessage appears asking if you want to save your changes, choose "No".