How To Fix SWF_EXP_001502 - Operator '&1': right operand missing

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EXP_001 - Expression Service Messages

• Message number: 502

• Message text: Operator '&1': right operand missing

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_EXP_001502 - Operator '&1': right operand missing ?

  The SAP error message SWF_EXP_001502 indicates that there is a problem with an expression in a workflow where the right operand is missing for a specified operator. This typically occurs in the context of workflow definitions or expressions used in workflows.
  Cause:
  The error is caused by an incomplete expression in a workflow. Specifically, it means that an operator (like +, -, *, /, etc.) is being used, but the right operand (the value or variable that should follow the operator) is not provided. This can happen due to:
  
  Syntax Errors: A typo or mistake in the expression syntax.
  Incomplete Configuration: A workflow step or condition that has not been fully defined.
  Missing Variables: A variable that is expected to be part of the expression is not defined or is missing.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Workflow Definition:
  
  Open the workflow in the SAP Workflow Builder.
  Review the expressions used in the workflow steps, especially those involving operators.
  
  
  
  Identify the Operator:
  
  Look for the operator mentioned in the error message (e.g., &1 will be replaced with the actual operator in the error message).
  Ensure that there is a valid operand on both sides of the operator.
  
  
  
  Correct the Expression:
  
  If you find an incomplete expression, add the missing right operand.
  Ensure that all variables used in the expression are correctly defined and initialized.
  
  
  
  Test the Workflow:
  
  After making the necessary corrections, save the workflow and test it to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct syntax or how to define expressions, refer to the SAP documentation or help resources related to workflow expressions.
  
  
  
  Related Information:
  
  Workflow Builder: This is the tool used to create and manage workflows in SAP. Familiarity with its interface and capabilities is essential for troubleshooting.
  Expression Syntax: Understanding the syntax rules for expressions in SAP workflows can help prevent similar errors in the future.
  SAP Notes: Check for any relevant SAP Notes or updates that might address known issues related to this error message.
  
  By following these steps, you should be able to identify and fix the cause of the SWF_EXP_001502 error in your SAP workflow.