How To Fix GB508 - The cursor is not on a valid table column

SAP Error Message - Details

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 508

• Message text: The cursor is not on a valid table column

What causes this issue?

You tried to sort the operand list. However, the cursor must be
positioned on one of the two table columns "Techn. name" or "Short
text" (any row).

System Response

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

How to fix this error?

Position the cursor correctly and call up the function again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GB508 - The cursor is not on a valid table column ?

  The SAP error message GB508: The cursor is not on a valid table column typically occurs when you are trying to perform an action (like editing or displaying data) in a table or report, but the cursor is not positioned on a valid column of that table. This can happen in various SAP transactions, especially when working with ALV (ABAP List Viewer) grids or other tabular displays.
  Causes:
  
  Incorrect Cursor Position: The cursor is placed on a row or area that does not correspond to a valid data column.
  Table Structure Changes: The underlying table structure may have changed, and the current view does not align with the expected columns.
  User Interface Issues: Sometimes, UI glitches or rendering issues can cause the cursor to appear in an invalid position.
  Authorization Issues: Lack of proper authorizations to view certain columns can also lead to this error.
  
  Solutions:
  
  Reposition the Cursor: Ensure that the cursor is placed directly on a valid column header or data cell. Click on a different cell or column to see if the error persists.
  Refresh the Screen: Try refreshing the screen or reloading the transaction to reset the cursor position.
  Check Table Structure: If you have access, verify the structure of the underlying table to ensure that the columns you are trying to access are valid and exist.
  Review Authorizations: Ensure that you have the necessary authorizations to view and interact with the columns in question.
  Use Different Transaction Codes: If the error occurs in a specific transaction, try using a different transaction code that provides similar functionality to see if the issue persists.
  Contact Support: If the issue continues, consider reaching out to your SAP support team or consulting the SAP community for further assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with the transaction codes you are using, as some may have specific requirements or limitations.
  User Documentation: Review any user documentation or training materials related to the specific SAP module you are working with, as they may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to resolve the GB508 error and continue working with your SAP application.