How To Fix 5B021 - Function module & is not in group RHMC

5B021 - Overview

• Message type: E = Error

• Message class: 5B -

• Message number: 021

• Message text: Function module & is not in group RHMC

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 5B021 - Function module & is not in group RHMC ?

  The SAP error message "5B021 Function module & is not in group RHMC" typically indicates that a function module is being called or accessed, but it is not part of the specified function group (in this case, RHMC). This can occur in various scenarios, particularly when dealing with custom developments or enhancements in SAP.
  
  Cause:
  
  Function Module Not Assigned: The function module you are trying to use is not assigned to the RHMC function group. This could happen if the function module was created in a different function group or if it was deleted or not properly transported.
  Authorization Issues: There may be authorization issues preventing access to the function module.
  Development Environment Issues: If you are working in a development environment, the function module may not have been activated or may not exist in the system.
  
  
  Solution:
  
  
  Check Function Module Assignment:
  
  Go to transaction SE37 (Function Builder) and check the function module in question.
  Verify if it