How To Fix 5B020 - Function module & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: 5B -

• Message number: 020

• Message text: Function module & does not exist

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 5B020 - Function module & does not exist ?

  The SAP error message "5B020 Function module & does not exist" typically indicates that the system is trying to call a function module that is not available in the SAP system. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Function Module Not Created: The function module may not have been created or activated in the system.
  Transport Issues: The function module might exist in a different system (e.g., development) but has not been transported to the current system (e.g., quality or production).
  Namespace Issues: The function module might be in a different namespace that is not accessible in the current context.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Typographical Error: There may be a typo in the name of the function module being called.
  
  Solutions:
  
  Check Existence: Use transaction SE37 (Function Builder) to check if the function module exists in the system. If it does not exist, you may need to create it or transport it from another system.
  Transport the Function Module: If the function module exists in another system, ensure that it is properly transported to the current system.
  Check Namespaces: Verify that you are using the correct namespace for the function module. If it is a custom function module, ensure that it is in the correct namespace.
  Review Authorizations: Check the user authorizations to ensure that the user has the necessary permissions to execute the function module.
  Correct Typographical Errors: Double-check the spelling of the function module name in the code or configuration where it is being called.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Builder
  SE80: Object Navigator
  SE11: Data Dictionary (to check related objects)
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or error message.
  Debugging: If you have access, you can use the debugger to trace where the function module is being called and gather more context about the error.
  
  If the issue persists after checking these aspects, it may be helpful to consult with your SAP Basis team or a developer who can provide further assistance.