How To Fix S1099 - Select one function

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 099

• Message text: Select one function

What causes this issue?

You have not selected a function by clicking or marking.

System Response

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

How to fix this error?

Choose a function from the displayed list by clicking or marking.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1099 - Select one function ?

  The SAP error message S1099 "Select one function" typically occurs when a user is trying to execute a function or transaction that requires a selection of a specific option or function, but none has been selected. This error is common in various SAP modules where multiple options are available, and the system requires the user to specify which one they want to proceed with.
  Cause:
  
  No Selection Made: The user has not selected any of the available options or functions in the dialog box or screen.
  Multiple Options Available: The system presents multiple functions, and the user must choose one, but they have not done so.
  User Interface Issue: Sometimes, the user interface may not display the options correctly, leading to confusion.
  
  Solution:
  
  Select an Option: Go back to the screen where the error occurred and ensure that you select one of the available functions or options before proceeding.
  Check for Required Fields: Ensure that all required fields are filled out correctly, as sometimes the error may be triggered by incomplete data entry.
  Refresh the Screen: If the options are not displaying correctly, try refreshing the screen or navigating away and back to the transaction.
  Consult Documentation: If you are unsure which option to select, refer to the relevant SAP documentation or help resources for guidance on the specific transaction or function.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or system administrator for further assistance.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes depending on the context of the operation being performed.
  User Training: Ensure that users are trained on how to navigate the specific SAP module and understand the options available to them.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or function you are using.
  
  By following these steps, you should be able to resolve the S1099 error and proceed with your tasks in SAP.