How To Fix CJ008 - Choose only one WBS element (PR...)

CJ008 - Overview

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 008

• Message text: Choose only one WBS element (PR...)

What causes this issue?

You used classification to search for a WBS element. However, you chose
a network activity or a standard WBS element in the search results.

System Response

The system will not accept the selected object.

How to fix this error?

Choose only a WBS element from the search results for classification.
You will recognize the WBS elements by the initial "PR" in their object
number.

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

Technical note:
WBS elements as well as standard WBS elements and network activities
are classified in class 014 SAP_KKR_CLASS. Due to technical reasons, it
is not possible to limit the search results to WBS elements.

Error message extract from SAP system. Copyright SAP SE.

CJ008 - Details

• The SAP error message CJ008 ("Choose only one WBS element (PR...)") typically occurs when you are trying to assign or process multiple Work Breakdown Structure (WBS) elements in a context where only one is allowed. This can happen in various transactions related to project management, such as when creating or modifying purchase requisitions, purchase orders, or other project-related documents.
  
  Cause:
  The error is triggered when the system detects that multiple WBS elements have been selected or entered in a field that only allows a single WBS element. This can happen due to:
  
  Multiple Selections: You may have inadvertently selected multiple WBS elements in a selection screen or input field.
  Incorrect Input: You might have entered multiple WBS elements separated by commas or spaces in a single input field.
  System Configuration: The configuration of the transaction or the specific field may be set to accept only one WBS element.
  
  
  Solution:
  To resolve the CJ008 error, you can take