How To Fix PSI_WE_MSG001 - Select one entry only

SAP Error Message - Details

• Message type: E = Error

• Message class: PSI_WE_MSG - Message class for PS

• Message number: 001

• Message text: Select one entry only

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PSI_WE_MSG001 - Select one entry only ?

  The SAP error message PSI_WE_MSG001: "Select one entry only" typically occurs in the context of the Project System (PS) module when a user attempts to perform an action that requires a single selection, but multiple entries are selected instead. This can happen in various scenarios, such as when trying to execute a function that is designed to work with a single project, WBS element, or other entities.
  Cause:
  The primary cause of this error is that the user has selected more than one entry in a list or table where only one entry is allowed for the operation being performed. This could happen in various transactions or reports within the SAP system.
  Solution:
  To resolve this error, follow these steps:
  
  
  Review Your Selection: Go back to the selection screen or list where the error occurred. Ensure that you have only one entry selected.
  
  
  Deselect Other Entries: If multiple entries are highlighted, click on the entry you want to select while holding down the Ctrl key (or Command key on Mac) to deselect the others. Alternatively, you can click on the entry you want to keep selected and then use the "Deselect All" option if available.
  
  
  Reattempt the Action: After ensuring that only one entry is selected, reattempt the action that triggered the error.
  
  
  Check for Filters: If you are using filters or search criteria, ensure that they are set correctly to limit the results to a single entry.
  
  
  Consult Documentation: If you are unsure about the specific requirements for the action you are trying to perform, consult the SAP documentation or help resources related to the Project System module.
  
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to Project System, such as CJ20N (Project Builder), CJ02 (Change Project), or CJ03 (Display Project).
  User Permissions: Ensure that you have the necessary permissions to perform the action on the selected entry.
  SAP Notes: Check for any relevant SAP Notes or updates that might address this issue or provide additional context.
  Training and Support: If you continue to experience issues, consider reaching out to your SAP support team or consulting with a colleague who has experience with the Project System module.
  
  By following these steps, you should be able to resolve the PSI_WE_MSG001 error and proceed with your work in SAP.