How To Fix CJ198 - Milestone belongs to a billing plan - cannot change assignments

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 198

• Message text: Milestone belongs to a billing plan - cannot change assignments

What causes this issue?

You want to assign a billing milestone to another WBS element.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

If you want to assign the milestone to another WBS element, you must
delete the date from the billing plan first.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ198 - Milestone belongs to a billing plan - cannot change assignments ?

  The SAP error message CJ198 indicates that you are trying to change the assignment of a milestone that is part of a billing plan. This error typically occurs in the context of project management and controlling, particularly when dealing with milestones in project structures that are linked to billing plans.
  
  Cause:
  
  Milestone Linked to Billing Plan: The milestone you are trying to modify is associated with a billing plan, which means it has specific financial implications and is tied to revenue recognition.
  Data Integrity: SAP enforces data integrity rules to ensure that changes do not disrupt the financial and project management processes. Changing assignments of milestones that are part of a billing plan can lead to inconsistencies in billing and revenue recognition.
  
  
  Solution:
  
  Review the Billing Plan: Check the billing plan associated with the milestone. If you need to change the milestone, consider whether you can adjust the billing plan instead.
  Remove the Milestone from the