How To Fix DB808 - Incorrect position/length on screen

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 808

• Message text: Incorrect position/length on screen

What causes this issue?

You attempted to use the statements SELECTION-SCREEN BEGIN OF LINE and
SELECTION-SCREEN END OF LINE to define a line of the selection screen,
but the parameter &V3& defined for this line of the screen is too
long. The parameter was meant to be displayed at position &V1& with an
output length of &V2&, but the length of the selection screen line
(which may be in a box) is only &V4& characters.

System Response

Unable to generate the selection screen.

How to fix this error?

Correct the code.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB808 - Incorrect position/length on screen ?

  The SAP error message DB808 "Incorrect position/length on screen" typically occurs when there is a mismatch between the expected screen layout and the actual data being processed. This can happen for various reasons, including issues with the screen definition, data inconsistencies, or problems with the underlying database.
  Causes:
  
  Screen Layout Issues: The screen layout defined in the SAP GUI may not match the data being processed. This can happen if the screen has been modified or if there are inconsistencies in the field definitions.
  Data Length Mismatch: The length of the data being displayed may exceed the defined length in the screen layout, leading to this error.
  Custom Development: If there are custom programs or enhancements that modify standard screens, they may not handle data correctly, resulting in this error.
  Database Issues: Corruption or inconsistencies in the database can also lead to this error, especially if the data being retrieved does not conform to the expected format.
  
  Solutions:
  
  Check Screen Definitions: Review the screen layout in the Screen Painter (transaction SE80) to ensure that the field definitions match the expected data types and lengths.
  Data Validation: Validate the data being processed to ensure that it conforms to the expected formats and lengths. This may involve checking the database entries or the data being passed to the screen.
  Debugging: If the error occurs in a custom program, use the ABAP debugger to trace the execution and identify where the mismatch occurs.
  Recompile the Screen: If the screen has been modified, recompiling it may resolve the issue. This can be done in the Screen Painter.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to screen handling.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE41 (Menu Painter), SE93 (Transaction Codes), SE11 (Data Dictionary).
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error, including the transaction code, screen number, and any custom developments involved.
  Documentation: Review SAP documentation related to screen programming and data handling for best practices and guidelines.
  
  By following these steps, you should be able to identify and resolve the cause of the DB808 error in your SAP system.