How To Fix S3021 - Selection screen & for logical database & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: S3 - Transaction for processing logical databases

• Message number: 021

• Message text: Selection screen & for logical database & already exists

What causes this issue?

You entered a selection screen number that already exists.

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?

Specify a different number. Select <LS>F4=Possible entries</> to
display a list of existing numbers.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S3021 - Selection screen & for logical database & already exists ?

  The SAP error message S3021 typically indicates that there is an issue with the selection screen of a report or program, specifically related to logical databases. The message "Selection screen & for logical database & already exists" suggests that there is a conflict with the naming or definition of the selection screen associated with a logical database.
  Cause:
  
  Duplicate Selection Screen: The error usually occurs when there is an attempt to create a selection screen that has the same name as an existing one for the specified logical database.
  Naming Conflicts: If you are trying to define a new selection screen for a logical database that already has a selection screen defined, this conflict will trigger the error.
  Transport Issues: Sometimes, if changes are transported from one system to another, it may lead to conflicts if the same selection screen is defined in both systems.
  
  Solution:
  
  Check Existing Selection Screens: Verify if a selection screen with the same name already exists for the logical database in question. You can do this by checking the logical database definition in the ABAP Dictionary (transaction SE11).
  Rename the Selection Screen: If you are creating a new selection screen, consider renaming it to avoid conflicts with existing screens.
  Modify Existing Selection Screen: If you need to modify the existing selection screen, you can do so instead of creating a new one. This can be done in the ABAP Editor (transaction SE38) or through the logical database definition.
  Transport Management: If the issue is related to transport, ensure that the transport requests are correctly managed and that there are no conflicting definitions in the target system.
  
  Related Information:
  
  Logical Databases: Logical databases in SAP are used to provide a structured way to access data from the database. They come with predefined selection screens that can be customized.
  ABAP Dictionary: The ABAP Dictionary (transaction SE11) is where you can manage database objects, including logical databases and their associated selection screens.
  ABAP Development: Familiarity with ABAP programming and the development environment is essential for troubleshooting and resolving issues related to selection screens and logical databases.
  
  If the problem persists after following these steps, consider consulting SAP documentation or reaching out to SAP support for further assistance.