How To Fix PSI_WE_MSG004 - 'Staffing Exists' cannot be the only selection criterion

SAP Error Message - Details

• Message type: E = Error

• Message class: PSI_WE_MSG - Message class for PS

• Message number: 004

• Message text: 'Staffing Exists' cannot be the only selection criterion

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PSI_WE_MSG004 - 'Staffing Exists' cannot be the only selection criterion ?

  The SAP error message PSI_WE_MSG004, which states "'Staffing Exists' cannot be the only selection criterion," typically occurs in the context of project management or resource management within SAP, particularly when using the Project System (PS) or related modules.
  Cause:
  This error arises when a user attempts to execute a report or transaction that requires multiple selection criteria, but only the "Staffing Exists" option has been selected. The system expects additional criteria to narrow down the results, as "Staffing Exists" alone does not provide sufficient context for the query.
  Solution:
  To resolve this error, you should include additional selection criteria when executing the report or transaction. Here are some steps you can take:
  
  
  Add Additional Criteria: Include other relevant selection parameters such as:
  
  Project ID
  Work Breakdown Structure (WBS) element
  Activity
  Date range
  Resource type
  Status of the project or activity
  
  
  
  Review Documentation: Check the documentation or help files related to the specific report or transaction you are using. This can provide insights into the required selection criteria.
  
  
  Consult with Colleagues: If you are unsure about what additional criteria to include, consult with colleagues or team members who have experience with the specific report or transaction.
  
  
  Test Different Combinations: Experiment with different combinations of selection criteria to see which ones yield the desired results without triggering the error.
  
  
  Check for System Updates: Ensure that your SAP system is up to date, as sometimes errors can be related to bugs that have been fixed in later versions.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or updates that may resolve the issue.
  User Manuals: Refer to user manuals or training materials for the specific module you are working with, as they often contain examples of valid selection criteria.
  SAP Community: Engage with the SAP Community forums where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the PSI_WE_MSG004 error and successfully execute your report or transaction in SAP.