How To Fix KP551 - You must enter only one object to be planned

SAP Error Message - Details

• Message type: E = Error

• Message class: KP - CO-OM Planning

• Message number: 551

• Message text: You must enter only one object to be planned

What causes this issue?

When you called up the plan data interface, the system transferred more
than one object to one row (for example, a cost center and an order).
As statistical auxiliary postings are not possible in planning, as
opposed to actual postings, you may only transfer one object.

System Response

The corresponding record is not updated.

How to fix this error?

Change the call up for the plan data interface so that only one object
is transferred in each record.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KP551 - You must enter only one object to be planned ?

  The SAP error message KP551 ("You must enter only one object to be planned") typically occurs in the context of planning activities within the SAP system, particularly when using transaction codes related to cost center planning, internal orders, or other planning-related transactions.
  Cause:
  This error message is triggered when the user attempts to plan multiple objects (such as cost centers, internal orders, etc.) at the same time in a context where only a single object is allowed. The planning function expects a single object to be specified for the operation being performed, and if multiple objects are provided, the system cannot process the request.
  Solution:
  To resolve this error, you should ensure that you are only entering one planning object at a time. Here are the steps you can take:
  
  
  Check Input Fields: Review the input fields in the planning transaction you are using. Make sure that you are only entering one object (e.g., one cost center or one internal order) in the relevant field.
  
  
  Review Planning Layout: If you are using a planning layout, ensure that the layout is configured to allow only one object to be selected or entered at a time.
  
  
  Use Filters: If you need to plan for multiple objects, consider using filters or selection criteria to plan them one at a time, rather than trying to input them all at once.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific planning transaction you are using for any additional guidelines or restrictions.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to perform the planning activities you are attempting. Sometimes, restrictions can lead to unexpected error messages.
  
  
  Contact Support: If you continue to experience issues, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  Related Information:
  
  Transaction Codes: Common transaction codes where this error might occur include KP06 (Cost Center Planning), KP26 (Activity Type Planning), and others related to planning.
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional context.
  User Forums: SAP Community and other user forums can be helpful resources for finding solutions to specific error messages and issues.
  
  By following these steps, you should be able to resolve the KP551 error and continue with your planning activities in SAP.