How To Fix /SAPSLL/MM_CLS_SERV051 - Control class &1 is not valid on &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPSLL/MM_CLS_SERV -

• Message number: 051

• Message text: Control class &1 is not valid on &2

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 /SAPSLL/MM_CLS_SERV051 - Control class &1 is not valid on &2 ?

  The SAP error message /SAPSLL/MM_CLS_SERV051 Control class &1 is not valid on &2 typically occurs in the context of SAP's Logistics and Supply Chain Management modules, particularly when dealing with material classification or control classes in the system.
  Cause:
  This error indicates that the control class specified (represented by &1) is not valid for the material or object type indicated by &2. This can happen due to several reasons:
  
  Incorrect Control Class: The control class you are trying to use may not be defined or may not be applicable for the specific material or object type.
  Configuration Issues: There may be configuration issues in the system where the control classes are not properly set up or linked to the relevant materials.
  Data Inconsistencies: There could be inconsistencies in the master data or classification data that lead to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Control Class Definition:
  
  Go to the configuration settings in SAP and verify that the control class you are trying to use is defined correctly.
  Ensure that the control class is valid for the material type or object type you are working with.
  
  
  
  Review Material Master Data:
  
  Check the material master data for the material associated with the error. Ensure that the control class is correctly assigned and that there are no missing or incorrect entries.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources to understand the valid control classes for the specific material or object type you are working with.
  
  
  
  Check Customizations:
  
  If your organization has custom configurations, check with your SAP Basis or configuration team to ensure that there are no custom settings that might be causing the issue.
  
  
  
  Testing:
  
  If changes are made, test the process again to see if the error persists.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM02 (Change Material), MM03 (Display Material), or SPRO (Customizing) to access the relevant settings.
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance, providing them with the error message details and any relevant context.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.