How To Fix MS814 - Error: Table control only has & columns

SAP Error Message - Details

• Message type: E = Error

• Message class: MS - SAP customer enhancement project messages

• Message number: 814

• Message text: Error: Table control only has & columns

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MS814 - Error: Table control only has & columns ?

  The SAP error message MS814, which states "Table control only has & columns," typically occurs in the context of SAP ABAP programming, particularly when dealing with table controls in screen programming (dynpro). This error indicates that the table control you are trying to use has fewer columns than expected or defined in your program.
  Cause:
  
  Mismatch in Column Definition: The number of columns defined in the table control does not match the number of columns that the program is trying to access or manipulate.
  Dynamic Changes: If the table control is dynamically modified (e.g., columns added or removed at runtime), and the program logic does not account for these changes, it can lead to this error.
  Screen Layout Issues: If the screen layout has been changed (e.g., through screen painter) and the changes were not properly reflected in the program code, this error can occur.
  
  Solution:
  
  Check Table Control Definition: Verify the definition of the table control in the screen painter. Ensure that the number of columns defined matches what your program expects.
  Adjust Program Logic: If your program logic is trying to access more columns than defined, adjust the logic to match the actual number of columns in the table control.
  Recreate the Table Control: If there are inconsistencies, consider deleting and recreating the table control in the screen painter to ensure that it is correctly defined.
  Debugging: Use debugging tools to trace the execution of your program and identify where the mismatch occurs. Check the values being passed to the table control and ensure they align with the defined structure.
  Review Dynamic Changes: If your program modifies the table control at runtime, ensure that these modifications are correctly handled and that the program logic is updated accordingly.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on screen programming and table controls.
  ABAP Development Guidelines: Review best practices for ABAP development, especially regarding screen design and dynamic programming.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the MS814 error and ensure that your table control functions as intended.