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

KM478 - Overview

• 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.

KM478 - Details

• 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