How To Fix KM478 - Interval &1 to &2 overlaps with interval &3 to &4

SAP Error Message - Details

• Message type: E = Error

• Message class: KM - Error messages for Profit Center Accounting

• Message number: 478

• Message text: Interval &1 to &2 overlaps with interval &3 to &4

What causes this issue?

The account intervals specified in Customizing for revenues and stock
changes overlap.

System Response

The system could not continue processing.

How to fix this error?

Change the values in the fields "From account" and "To account".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KM478 - Interval &1 to &2 overlaps with interval &3 to &4 ?

  The SAP error message KM478 indicates that there is an overlap in the time intervals defined for a particular object, such as a cost center, internal order, or project. This error typically occurs in the context of controlling (CO) or project management (PS) modules when you are trying to create or modify a time interval that conflicts with an existing one.
  Cause:
  The error arises when you attempt to create or change a time interval (from &1 to &2) that overlaps with another existing interval (from &3 to &4). This can happen in various scenarios, such as:
  
  Attempting to assign a new cost center or internal order to a project with overlapping dates.
  Modifying the validity period of a master data record that conflicts with existing records.
  Trying to schedule activities or resources that have conflicting time frames.
  
  Solution:
  To resolve the KM478 error, you can take the following steps:
  
  
  Identify Overlapping Intervals:
  
  Review the existing intervals (from &3 to &4) that are causing the conflict. You can do this by checking the relevant master data or transaction records in SAP.
  
  
  
  Adjust Time Intervals:
  
  Modify the new interval (from &1 to &2) to ensure it does not overlap with the existing interval. This may involve changing the start or end dates of the new interval.
  
  
  
  Delete or Archive Conflicting Records:
  
  If the existing interval is no longer needed, consider deleting or archiving it, provided that it does not affect other processes or reporting.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on managing time intervals in the relevant module (e.g., CO, PS).
  
  
  
  Check Configuration Settings:
  
  Ensure that the configuration settings for the relevant module allow for the desired time intervals and do not impose unnecessary restrictions.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like KP26 (for planning costs), CJ20N (for project management), or others related to controlling and project systems.
  Master Data Management: Understanding how master data is managed in SAP can help prevent such errors in the future.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the KM478 error and successfully manage your time intervals in SAP.