How To Fix DB031 - Selection screen is too big

SAP Error Message - Details

• Message type: E = Error

• Message class: DB - Messages for logical databases and background processing

• Message number: 031

• Message text: Selection screen is too big

What causes this issue?

The selection screen of the report &v1& defined by SELECT-OPTIONS,
PARAMETERS and SELECTION-SCREEN statements is too large: The number of
lines exceeds the maximum of &v2&.

System Response

The selection screen generation was terminated.

How to fix this error?

Try to reduce the number of objects on the selection screen or to
change the structure so that the screen is smaller.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB031 - Selection screen is too big ?

  The SAP error message DB031, which states "Selection screen is too big," typically occurs when the selection screen of a report or transaction exceeds the maximum allowed size. This can happen when there are too many fields, options, or parameters defined on the selection screen, leading to performance issues or display problems.
  Cause:
  
  Excessive Fields: The selection screen has too many input fields or parameters defined.
  Complexity: The complexity of the selection screen, including multiple groups or sub-screens, can contribute to the size.
  Custom Development: Custom reports or transactions may inadvertently create large selection screens due to poor design or excessive options.
  
  Solution:
  
  Reduce Fields: Review the selection screen and remove any unnecessary fields or parameters. Only include those that are essential for the report or transaction.
  Group Fields: Use grouping techniques to organize fields into logical sections. This can help reduce the perceived size of the selection screen.
  Use Variants: If applicable, create variants for the selection screen to allow users to save and reuse specific field settings, reducing the need for all fields to be displayed at once.
  Customizing: If you are a developer, consider customizing the selection screen to limit the number of fields displayed at one time. You can use tab strips or dynamic selections to manage the display.
  Check for Unused Fields: Identify and remove any fields that are not being used or are redundant.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. Sometimes, SAP provides fixes or recommendations for specific versions.
  Performance Considerations: A large selection screen can lead to performance issues, so optimizing the screen can improve overall system performance.
  User Training: Educate users on how to effectively use selection screens, including how to use variants and filters to streamline their experience.
  
  If the problem persists after trying these solutions, it may be beneficial to consult with your SAP Basis or ABAP team for further analysis and potential adjustments to the system configuration.