If smbd can help me how to find out the solution to this problem:
Message no. /SAPAPO/PRP075
The combination of promotion key figure and promotion level for a planning
area is in use.
The system does not let you save changes or delete the combination
I am trying to create a promotion through the menu path: Advanced planning and optimization - Demand Planning - Planning - Promotion - Settings - Maintein Promotion Key Figure.
My planning area is locked and i cannot change characteristic for promotional level. See the above - mentioned message.
Thank you for your help!