How To Fix FL101 - Function module is obsolete

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 101

• Message text: Function module is obsolete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• What is the cause and solution for SAP error message FL101 - Function module is obsolete ?

  The SAP error message FL101 indicates that a specific function module is obsolete. This typically means that the function module in question is no longer supported or recommended for use in the current version of SAP. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Obsolescence of Function Module: The function module has been deprecated in favor of newer, more efficient, or more secure alternatives.
  Version Upgrade: If your SAP system has been upgraded, certain function modules may have been marked as obsolete.
  Custom Code: If you are using custom code that calls this function module, it may need to be updated to use a different approach.
  
  Solution:
  
  Identify Alternatives: Check the SAP documentation or the function module's details in the SAP system to find recommended alternatives. SAP often provides newer function modules or methods that should be used instead.
  Update Custom Code: If the obsolete function module is being called in custom ABAP code, you will need to refactor that code to use the recommended alternative.
  Consult SAP Notes: Look for relevant SAP Notes that may provide guidance on the obsolescence of the function module and suggest alternatives. You can search for these notes in the SAP Support Portal.
  Testing: After making changes, ensure thorough testing is conducted to confirm that the new implementation works as expected and does not introduce new issues.
  Documentation: Update any documentation related to the code or processes that were using the obsolete function module to reflect the changes made.
  
  Related Information:
  
  SAP Help Portal: The SAP Help Portal provides documentation on function modules, including their status and alternatives.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered the same issue.
  ABAP Development Guidelines: Familiarize yourself with the latest ABAP development guidelines to avoid using obsolete functions in the future.
  
  Conclusion:
  Addressing the FL101 error involves identifying the obsolete function module, finding its replacement, and updating any custom code accordingly. Regularly reviewing SAP documentation and community resources can help keep your SAP environment up to date and functioning smoothly.