How To Fix AP123 - Selecting by projects and WBS elements at the same time is not logical

AP123 - Overview

• Message type: E = Error

• Message class: AP - Investment program messages

• Message number: 123

• Message text: Selecting by projects and WBS elements at the same time is not logical

What causes this issue?

You selected by projects and WBS elements at the same time.
Since the WBS element ID is unique across projects, it is not necessary
to limit according to projects at the same time.

System Response

In order to avoid inconsistencies, selecting by projects and WBS
elements at the same time is not allowed.

How to fix this error?

Select <ZH>either</> by projects <ZH>or</> by WBS elements.

Error message extract from SAP system. Copyright SAP SE.

AP123 - Details

• The SAP error message AP123, which states "Selecting by projects and WBS elements at the same time is not logical," typically occurs in the context of project management and reporting within SAP. This error arises when a user attempts to select both project and WBS (Work Breakdown Structure) elements simultaneously in a report or transaction where such a selection is not permitted.
  
  Cause:
  
  Logical Conflict: The error is triggered because the system does not allow the simultaneous selection of both project and WBS elements. In SAP, a project can contain multiple WBS elements, and selecting both can create ambiguity in the data retrieval process.
  Incorrect Selection Criteria: Users may inadvertently select both criteria in a report or transaction, leading to this error.
  
  
  Solution:
  
  Review Selection Criteria: Check the selection criteria you are using in the report or transaction. Ensure that you are only selecting either a project or a WBS element, but not both at