How To Fix 06678 - Item &1 is planned in another system

SAP Error Message - Details

• Message type: E = Error

• Message class: 06 -

• Message number: 678

• Message text: Item &1 is planned in another system

What causes this issue?

The scheduling agreement item, &V1&, for which you want to maintain
schedule lines is planned in the Advanced Planner and Optimizer (APO).
This is configured in the additional data for the scheduling agreement
item in the field <LS>Ext. planning</>.
Therefore, you cannot maintain schedule lines in the standard system.

System Response

If you change the schedule lines for this item, the changes are not
automatically copied to the APO System.

How to fix this error?

Make your changes in the planning APO System.
If you want to make changes, you should do this in the planning system.
Otherwise your changes are overwritten the next time that schedule
lines are adopted from the APO System.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 06678 - Item &1 is planned in another system ?

  The SAP error message 06678, which states "Item &1 is planned in another system," typically occurs in the context of cross-system planning or when dealing with integrated systems in SAP, such as when using SAP Advanced Planning and Optimization (APO) or SAP Integrated Business Planning (IBP). This error indicates that the item in question is being planned in a different system than the one you are currently working in.
  
  Cause:
  
  Cross-System Planning: The item is being managed in a different planning system (e.g., APO or IBP) and is not available for planning in the current system.
  Master Data Synchronization Issues: There may be inconsistencies or delays in the synchronization of master data between systems.
  
  Configuration Issues: The configuration settings for cross-system planning may not be set up correctly, leading to conflicts in item planning.
  
  
  Solution:
  
  Check Planning System: Verify which system the item is currently being planned in. You may need to access the other system