How To Fix SCWB_ACR_UI002 - LHS or RHS is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: SCWB_ACR_UI - Message class for SCWB_ACR_UI

• Message number: 002

• Message text: LHS or RHS is empty

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 SCWB_ACR_UI002 - LHS or RHS is empty ?

  The SAP error message SCWB_ACR_UI002, which states "LHS or RHS is empty," typically occurs in the context of the SAP Application Interface Framework (AIF) or when working with the SAP Customizing Workbench (SCWB). This error indicates that there is an issue with the left-hand side (LHS) or right-hand side (RHS) of a comparison or mapping operation, where one of the sides is empty or not properly defined.
  Causes:
  
  Missing Data: The most common cause is that the data expected on either the left-hand side or right-hand side of a mapping or comparison is missing or not populated.
  Incorrect Configuration: There may be a configuration issue in the mapping or transformation logic where the source or target fields are not correctly defined.
  Data Type Mismatch: If there is a mismatch in data types between the LHS and RHS, it can lead to this error.
  Logical Errors: There may be logical errors in the code or configuration that lead to one side being evaluated as empty.
  
  Solutions:
  
  Check Data Population: Ensure that the data being processed is correctly populated. Verify that the source fields have values before the mapping or comparison occurs.
  Review Configuration: Go through the configuration settings in the AIF or SCWB to ensure that all necessary fields are correctly defined and mapped.
  Debugging: Use debugging tools to trace the execution and identify where the data is being lost or not populated. This can help pinpoint the exact location of the issue.
  Data Type Validation: Ensure that the data types of the fields being compared or mapped are compatible. If necessary, perform type conversions.
  Error Handling: Implement error handling in your logic to manage cases where data might be missing, allowing for graceful degradation or alternative processing paths.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the Application Interface Framework or Customizing Workbench for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error context and any steps already taken to resolve it.