How To Fix DB818 - 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: 818

• 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
in the database INCLUDE &V4&, but the parameter &V3& defined for this
line is too long. It was meant to be displayed at position &V1& with an
output length of &V2&.

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

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 DB818 - Incorrect position/length on screen ?

  The SAP error message DB818 "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 in various scenarios, such as when a custom screen is created or modified, or when there are inconsistencies in the data being displayed.
  Causes:
  
  Field Length Mismatch: The length of the data being displayed does not match the defined length of the field in the screen layout.
  Incorrect Field Positioning: The position of the field on the screen does not align with the expected layout, which can happen if the screen layout has been altered.
  Data Type Issues: The data type of the field in the database does not match the expected data type in the screen.
  Custom Development: If there are custom screens or modifications made to standard screens, they may not be properly aligned with the underlying data structures.
  
  Solutions:
  
  Check Screen Layout: Review the screen layout in the Screen Painter (SE80) or the relevant transaction to ensure that the field definitions (length, position) match the data being processed.
  Adjust Field Lengths: If the field length is too short for the data being displayed, increase the length of the field in the screen definition.
  Verify Data Types: Ensure that the data types of the fields in the database match the expected types in the screen. This may involve checking the data dictionary (SE11) for the relevant table.
  Review Custom Code: If there are custom developments, review the code to ensure that it correctly handles the data being displayed and adheres to the expected screen layout.
  Testing: After making changes, test the screen thoroughly to ensure that the error does not reoccur and that the data is displayed correctly.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE80 (Object Navigator), SE11 (Data Dictionary), or SE41 (Menu Painter) to investigate and modify the screen definitions.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Debugging: If the issue persists, consider using the debugger to trace the program execution and identify where the mismatch occurs.
  
  If the problem continues after trying these solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.