How To Fix WK202 - Select a valid column

SAP Error Message - Details

• Message type: E = Error

• Message class: WK - BPT: Messages integr. inbox

• Message number: 202

• Message text: Select a valid column

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WK202 - Select a valid column ?

  The SAP error message WK202 - Select a valid column typically occurs in the context of SAP Workflow or when working with table controls, ALV grids, or selection screens where the system expects a valid column to be selected or referenced.
  
  Cause:
  
  The error WK202 arises when the user or the program tries to select or reference a column that does not exist or is invalid in the current context.
  This can happen if:
  
  The column name or index specified is incorrect or misspelled.
  The column has been deleted or is not part of the current table/control.
  The user tries to perform an operation on a column that is not selectable or visible.
  In workflow tasks, the column specified in the selection criteria or step is invalid or not defined.
  
  
  
  
  Solution:
  
  
  Check Column Names/Indices:
  
  Verify that the column name or index you are trying to select or reference exists in the table or control.
  Ensure the spelling and case match exactly.
  
  
  
  Review Table or Control Definition:
  
  If you are working with a table control or ALV grid, check the field catalog or layout to confirm the columns available.
  Make sure the column is not hidden or disabled.
  
  
  
  Adjust Workflow Step or Selection Criteria:
  
  In workflow scenarios, check the step definition or selection criteria where the column is referenced.
  Correct the column name or update the workflow to use a valid column.
  
  
  
  Debugging:
  
  Use the debugger to check the internal table or structure at runtime.
  Confirm which columns are present and which one is being accessed when the error occurs.
  
  
  
  Consult SAP Notes:
  
  Sometimes, this error can be related to specific SAP versions or patches. Check SAP Support Portal for any relevant SAP Notes.
  
  
  
  
  Related Information:
  
  Message Class: WK (Workflow)
  Context: Often seen in SAP Workflow tasks, table controls, ALV grids, or selection screens.
  Transaction Codes: May appear in transactions involving workflow maintenance (e.g., SWDD), or custom programs using table controls or ALV.
  SAP Notes: Search for "WK202" or "Select a valid column" in SAP Notes for any known issues or patches.
  
  
  If you provide more context (e.g., transaction code, program name, or scenario), I can help with a more specific solution.