How To Fix SWF_RLS_001131 - The operator '&1' requires two operands but none exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RLS_001 - Condition Evaluation and Rule Evaluation

• Message number: 131

• Message text: The operator '&1' requires two operands but none exist

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 SWF_RLS_001131 - The operator '&1' requires two operands but none exist ?

  The SAP error message SWF_RLS_001131 indicates that there is an issue with a workflow or a task in SAP Business Workflow. Specifically, the error states that an operator (denoted as '&1') requires two operands, but none are provided. This typically occurs in the context of a decision or condition that is expected to evaluate two values but is missing one or both of them.
  Cause:
  
  Missing Operands: The most common cause of this error is that a decision step in the workflow is configured to use an operator (like AND, OR, etc.) that requires two operands, but the workflow is not providing them.
  Incorrect Workflow Configuration: There may be a misconfiguration in the workflow definition, such as missing input parameters or incorrect expressions.
  Data Issues: The data being processed may not contain the expected values, leading to the absence of operands.
  
  Solution:
  
  
  Check Workflow Configuration:
  
  Open the workflow definition in the SAP Workflow Builder.
  Identify the step that is causing the error (look for the operator mentioned in the error message).
  Ensure that the decision step has the correct operands defined. If it requires two values, make sure both are provided.
  
  
  
  Review Input Parameters:
  
  Verify that all necessary input parameters are being passed to the workflow.
  Check if any of the parameters are optional and ensure that they are being populated correctly.
  
  
  
  Debugging:
  
  Use the workflow log to trace the execution of the workflow and identify where the error occurs.
  You can also use transaction SWI1 (Work Item Selection) to analyze work items and their statuses.
  
  
  
  Test with Sample Data:
  
  If possible, run the workflow with sample data to see if the issue persists. This can help isolate whether the problem is with the workflow logic or the data being processed.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on the operators and their requirements.
  
  
  
  Contact SAP Support:
  
  If the issue cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SWDD (Workflow Builder) for workflow design.
  SWI1 (Work Item Selection) for monitoring work items.
  SWI2_FREQ (Work Item Selection - Frequency) for analyzing work items based on frequency.
  
  
  
  Workflow Logs: 
  
  You can check the workflow logs for detailed error messages and execution paths that led to the error.
  
  
  
  SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address similar issues or provide patches.
  
  
  
  By following these steps, you should be able to identify and resolve the cause of the SWF_RLS_001131 error in your SAP workflow.