How To Fix DB809 - 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: 809

• 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 one of the comments specified for the line is too long. This
comment was defined by the code

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

SELECTION-SCREEN COMMENT &V3&
This means that the comment should be displayed at position &V1& with a
length of &V2&, but the length of the current line (which may be in a
box) ends at column &V4&.

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 DB809 - Incorrect position/length on screen ?

  The SAP error message DB809 "Incorrect position/length on screen" typically occurs when there is a mismatch between the screen field definitions and the data being processed. This can happen due to various reasons, such as changes in the screen layout, incorrect field definitions in the data dictionary, or issues with the program logic.
  Causes:
  
  Screen Layout Changes: If the screen layout has been modified (e.g., fields added, removed, or resized) without corresponding updates in the program logic, it can lead to this error.
  Data Dictionary Issues: If the data types or lengths of fields in the data dictionary (DDIC) do not match the expected values in the program, it can cause this error.
  Program Logic Errors: Errors in the ABAP code that manipulate screen fields can lead to incorrect positioning or length specifications.
  Custom Development: If there are custom screens or enhancements that are not properly aligned with the standard SAP definitions, this error may occur.
  
  Solutions:
  
  Check Screen Layout: Review the screen layout in the Screen Painter (SE80) or transaction SE41 to ensure that the field definitions match the program logic.
  Review Data Dictionary: Use transaction SE11 to check the data dictionary definitions for the fields involved. Ensure that the lengths and types are correctly defined.
  Debugging: Use the ABAP debugger to step through the program and identify where the incorrect position or length is being set. Look for any assignments or field modifications that may be causing the issue.
  Check Custom Code: If there are custom developments, review the code to ensure that it adheres to the expected field definitions and does not introduce any discrepancies.
  Transport Requests: If the issue arose after a transport, check if the transport included changes to screen layouts or data dictionary objects that may not have been properly imported.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for "DB809" in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE11 (Data Dictionary), and SE37 (Function Module) for debugging and analysis.
  Documentation: Review SAP documentation or community forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or ABAP development team for further assistance.