How To Fix JP021 - Projects with this Project coding ID exist in the production system

JP021 - Overview

• Message type: E = Error

• Message class: JP - Customizing PS Profiles und Project Editing Mask

• Message number: 021

• Message text: Projects with this Project coding ID exist in the production system

The coding mask cannot be saved. There are existing projects with this
Project coding ID in the production system.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JP021 - Projects with this Project coding ID exist in the production system ?

  The SAP error message JP021 indicates that there are existing projects in the production system that are associated with the specified project coding ID. This typically occurs when you attempt to create or modify a project in SAP Project System (PS) and the system detects that the project coding ID you are trying to use is already in use by another project.
  
  Cause:
  
  Existing Projects: The project coding ID you are trying to use is already assigned to one or more projects in the production environment.
  Incorrect Project ID: You may have mistakenly entered a project coding ID that is already in use.
  Data Consistency Issues: There may be inconsistencies in the project data that prevent the creation or modification of a project with the specified coding ID.
  
  
  Solution:
  
  
  Check Existing Projects: 
  
  Use transaction codes like CJ20N (Project Builder) or CJ03 (Display Project) to search for existing projects using the same project coding ID.
  Review the list