How To Fix WF503 - Select just one entry

WF503 - Overview

• Message type: E = Error

• Message class: WF - Workflow: messages

• Message number: 503

• Message text: Select just one entry

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WF503 - Select just one entry ?

  SAP Error Message:
  WF503 - Select just one entry
  
  
  Cause:
  This error occurs in SAP Workflow when a user is expected to select exactly one entry from a list or selection screen, but either no entry or multiple entries have been selected. The workflow step or dialog requires a single, unambiguous choice to proceed, and the system enforces this by throwing the WF503 error if the selection criteria are not met.
  
  When does it typically occur?
  
  During user decision steps in a workflow where the user must pick one item (e.g., selecting one purchase order, one document, one task).
  In dialog steps or selection screens embedded in workflows.
  When a user accidentally selects multiple entries or none at all, but the workflow logic expects exactly one.
  
  
  
  Solution:
  
  
  User Action:
  
  Ensure that exactly one entry is selected before confirming or proceeding.
  If multiple entries are selected, deselect all but one.
  If no entries are selected, select one entry.
  
  
  
  Technical/Configuration Action:
  
  Check the workflow step or