How To Fix /IBS/RB405 - Only one or none of the three reference numbers may be filled

SAP Error Message - Details

• Message type: E = Error

• Message class: /IBS/RB -

• Message number: 405

• Message text: Only one or none of the three reference numbers may be filled

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IBS/RB405 - Only one or none of the three reference numbers may be filled ?

  The SAP error message /IBS/RB405 Only one or none of the three reference numbers may be filled typically occurs in the context of the SAP Integrated Business Solutions (IBS) module, particularly when dealing with reference numbers in a transaction or document entry.
  Cause:
  This error indicates that the system has detected that more than one of the three reference number fields has been filled in, which is not allowed. The reference number fields are usually designed to hold unique identifiers for transactions, and the system enforces a rule that only one of these fields can be populated at a time. This is likely a validation rule to ensure data integrity and avoid confusion in processing.
  Solution:
  To resolve this error, you should:
  
  
  Review the Input Fields: Check the transaction or document entry screen where you are entering the reference numbers. Identify the three reference number fields that are available.
  
  
  Clear Extra Fields: Ensure that only one of the three reference number fields is filled. If you have inadvertently filled more than one, clear the additional fields so that only one remains populated.
  
  
  Validate the Data: After making the necessary adjustments, validate the data to ensure that it meets the requirements of the transaction you are processing.
  
  
  Re-attempt the Transaction: Once you have ensured that only one reference number is filled, try to save or process the transaction again.
  
  
  Related Information:
  
  Documentation: Check the SAP documentation or help files related to the specific module you are working with for more details on the reference number fields and their intended use.
  User Training: If this error occurs frequently, consider providing training or guidelines to users on how to correctly fill out the reference number fields to avoid confusion.
  SAP Notes: Look for any relevant SAP Notes or updates that might address this issue or provide additional context on the error message.
  Support: If the issue persists or if you believe it is a system error, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the error and proceed with your transaction successfully.