How To Fix WF501 - Fill only one field for selection

WF501 - Overview

• Message type: E = Error

• Message class: WF - Workflow: messages

• Message number: 501

• Message text: Fill only one field for selection

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 WF501 - Fill only one field for selection ?

  SAP Error Message:
  WF501 - Fill only one field for selection
  
  
  Cause:
  This error occurs in SAP Workflow when a selection screen or a selection step requires the user to fill in exactly one field, but the user has either:
  
  Filled in more than one field simultaneously, or  
  Left all fields empty when at least one is required.
  
  In other words, the selection criteria are designed to accept only one input field to identify the object or data uniquely, but multiple fields have been filled, causing ambiguity.
  
  When does it occur?
  
  During workflow task selection screens or workflow container element selection steps.
  When a step or condition expects a single input field to determine the workflow path or object.
  In custom or standard workflows where selection screens are used to filter or identify objects.
  
  
  
  Solution:
  
  Fill only one field: Ensure that only one of the available selection fields is filled. Leave the others blank.
  Check the selection screen: Review the selection