How To Fix MM_PUR_SES166 - Classifications exist for material &1 of purchase order item &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MM_PUR_SES -

• Message number: 166

• Message text: Classifications exist for material &1 of purchase order item &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 MM_PUR_SES166 - Classifications exist for material &1 of purchase order item &2 ?

  The SAP error message MM_PUR_SES166 indicates that there are classifications assigned to a material in a purchase order item, which may prevent certain actions from being performed on that purchase order. This error typically arises in the context of materials management and procurement processes within SAP.
  Cause:
  The error occurs when you attempt to perform an action (such as changing or deleting a purchase order item) on a material that has classifications assigned to it. Classifications are used in SAP to categorize materials based on various attributes, and they can affect how the material is processed in the system.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Classifications: Review the classifications assigned to the material in question. You can do this by navigating to the material master record (transaction code MM03) and checking the classification view.
  
  
  Remove Classifications: If the classifications are not needed for the material in the context of the purchase order, you may consider removing them. This can be done in the material master record (transaction code MM02) by going to the classification view and deleting the relevant entries.
  
  
  Adjust Purchase Order: If the classifications are necessary, you may need to adjust the purchase order or the related processes to accommodate the classifications. This could involve consulting with your procurement or materials management team to understand the implications of the classifications.
  
  
  Consult Documentation: Review SAP documentation or help resources for more information on how classifications impact purchase orders and what specific actions are restricted due to the classifications.
  
  
  Contact SAP Support: If you are unable to resolve the issue through the above steps, consider reaching out to your SAP support team or SAP Help Desk for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), and ME22N (Change Purchase Order).
  Material Master: Understanding the structure and views of the material master is crucial, as classifications are part of the material data.
  Classification System: Learn about the classification system in SAP, including how to create and manage classes and characteristics.
  
  By following these steps, you should be able to address the MM_PUR_SES166 error and proceed with your procurement activities in SAP.