How To Fix RSAU028 - This function module is obsolete

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 028

• Message text: This function module is obsolete

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU028 - This function module is obsolete ?

  The SAP error message RSAU028 indicates that a specific function module is obsolete and should not be used in your current implementation. This typically occurs when SAP has deprecated certain functions in favor of newer, more efficient methods or modules.
  Cause:
  
  Obsolescence of Function Module: The function module you are trying to use has been marked as obsolete by SAP. This can happen due to changes in technology, improvements in performance, or the introduction of new features.
  Legacy Code: If you are working with legacy code or older custom developments, it may still be referencing these obsolete function modules.
  Upgrade or Patch: If your system has been recently upgraded or patched, it may have introduced changes that render certain function modules obsolete.
  
  Solution:
  
  Identify Replacement: Check the SAP documentation or release notes for the specific function module to find out what the recommended replacement is. SAP often provides alternative function modules or methods to achieve the same functionality.
  Refactor Code: Update your ABAP code to replace the obsolete function module with the recommended alternative. This may involve changing the logic or parameters used in the function call.
  Consult SAP Notes: Look for relevant SAP Notes that may provide additional guidance or solutions related to the obsolete function module. You can search for these notes in the SAP Support Portal.
  Testing: After making changes, thoroughly test the updated code to ensure that it functions correctly and meets the required business processes.
  
  Related Information:
  
  SAP Documentation: Always refer to the official SAP documentation for the specific version you are using. This can provide insights into deprecated functions and their replacements.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  ABAP Development Guidelines: Familiarize yourself with best practices in ABAP development to avoid using obsolete functions in the future.
  
  If you are unsure about the specific function module or need further assistance, consider reaching out to your SAP support team or a qualified SAP consultant.