How To Fix MM121 - Material & is a generic material

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 121

• Message text: Material & is a generic material

What causes this issue?

You wanted to perform a function using a material with the material
category "generic material". However, this function is not allowed for
generic materials.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please check your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM121 - Material & is a generic material ?

  The SAP error message MM121 indicates that the material in question is classified as a "generic material." This typically occurs in the context of materials management (MM) when you are trying to perform an operation that is not allowed for generic materials.
  Cause:
  
  Generic Material Definition: In SAP, a generic material is a material that does not have a specific material number assigned to it. Instead, it is used as a placeholder for a group of similar materials. This is often used in industries where materials are interchangeable or when the exact specifications are not known at the time of procurement.
  Transaction Limitations: Certain transactions or operations (like creating purchase orders, stock movements, etc.) may not be allowed for generic materials because they lack specific attributes or data that are required for those transactions.
  
  Solution:
  
  Use Specific Material: If you need to perform a transaction that is not allowed for generic materials, you should use a specific material number instead. This may involve creating a specific material master record if one does not already exist.
  Check Material Master Data: Review the material master data to ensure that the material is set up correctly. If it is intended to be a specific material, you may need to change its classification.
  Consult with Your SAP Administrator: If you are unsure about how to proceed, it may be helpful to consult with your SAP administrator or a colleague who is knowledgeable about material management in your organization. They can provide guidance on how to handle generic materials and whether a specific material should be created.
  
  Related Information:
  
  Material Master Record: This is the central repository of information related to materials in SAP. It contains data such as material type, purchasing information, and inventory management details.
  Material Types: In SAP, materials can be classified into different types (e.g., raw materials, finished goods, trading goods). Each type has its own set of attributes and allowed transactions.
  Generic vs. Specific Materials: Understanding the difference between generic and specific materials is crucial for effective materials management. Generic materials are useful for planning and procurement processes where exact specifications are not yet determined.
  
  If you continue to encounter issues or if the error persists after trying the above solutions, it may be necessary to involve your SAP support team for further investigation and resolution.