How To Fix KO221 - Assign phases in ascending order

KO221 - Overview

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 221

• Message text: Assign phases in ascending order

What causes this issue?

You did not assign the phases in ascending sequence.

System Response

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

How to fix this error?

Assign the phases in ascending sequence, i.e. assign a phase to this
status that is greater than or equal to that of the preceding status.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO221 - Assign phases in ascending order ?

  The SAP error message KO221, which states "Assign phases in ascending order," typically occurs in the context of controlling (CO) and project systems (PS) when you are trying to assign phases to a project or a cost object. This error indicates that the phases you are trying to assign are not in the correct sequence, which is required by the system.
  
  Cause:
  The error arises when the phases of a project or cost object are not defined in a sequential manner. In SAP, phases must be assigned in ascending order based on their defined sequence. For example, if you have phases 1, 2, and 3, you cannot assign phase 3 before phase 2.
  
  Solution:
  To resolve the KO221 error, follow these steps:
  
  
  Check Phase Assignment: Review the phases you are trying to assign. Ensure that they are listed in the correct ascending order. 
  
  
  Modify Phase Sequence: If the phases are not in the correct order,