How To Fix CS084 - Projects/WBS elements with identification "&" exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CS - Logistics Customizing

• Message number: 084

• Message text: Projects/WBS elements with identification "&" exist

What causes this issue?

The key can only be extended, if there are no project definitions or
WBS elements that are only identified with their external number by the
key of the project editing mask.

How can this happen?

Project editing mask 'EB-XXX-000'. The key cannot be extended if the
external number is only 'EB'.

How to fix this error?

You can only change this by changing the external number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CS084 - Projects/WBS elements with identification "&" exist ?

  The SAP error message CS084 indicates that there are existing projects or Work Breakdown Structure (WBS) elements with the identification specified (represented by "&"). This error typically occurs when you are trying to create a new project or WBS element with an identifier that is already in use.
  
  Cause:
  
  Duplicate Identifier: The most common cause of this error is that the identifier you are trying to use for the new project or WBS element is already assigned to an existing project or WBS element in the system.
  Incorrect Input: There may be a typographical error in the identifier you are trying to create, leading to confusion with existing identifiers.
  System Configuration: In some cases, the system configuration may restrict the creation of new identifiers that are similar to existing ones.
  
  
  Solution:
  
  
  Check Existing Projects/WBS Elements:
  
  Use transaction codes like CJ20N (Project Builder) or CJ03 (Display Project) to search for existing projects or WBS elements using the identifier