How To Fix MILL_PC151 - Class not found; batch cannot be created

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_PC - Mill: Message Pool for Confirmations

• Message number: 151

• Message text: Class not found; batch cannot be created

copied from HM6

What causes this issue?

The system could not find a batch class in the material master for
material &V1&.

System Response

The system cannot create the required batch.

How to fix this error?

In the material master for material &V1&, check whether a batch class
is entered on the <ZK>Classification</> tab page.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_PC151 - Class not found; batch cannot be created ?

  The SAP error message MILL_PC151: Class not found; batch cannot be created typically occurs in the context of batch management in SAP, particularly when dealing with production or inventory management processes. This error indicates that the system is unable to find a specific class that is required for creating a batch of a material.
  Causes:
  
  Missing Class Assignment: The material may not have a class assigned to it in the classification system. This is often the case if the material is newly created or if the classification settings have been altered.
  Incorrect Class Type: The class type that is expected for the batch creation might not be defined or might be incorrect.
  Authorization Issues: The user may not have the necessary authorizations to access the class or create batches.
  Configuration Issues: There may be issues in the configuration of batch management settings in the system.
  
  Solutions:
  
  
  Check Class Assignment:
  
  Go to the material master record (transaction code MM03).
  Check if the classification view is populated and if the appropriate class is assigned to the material.
  If not, you may need to assign the correct class using transaction code CL02 (Change Class) or CL01 (Create Class).
  
  
  
  Verify Class Type:
  
  Ensure that the class type used for batch management is correctly defined in the system.
  You can check this in the configuration settings under SPRO -> Logistics - General -> Batch Management -> Define Classes.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to create batches and access the required classes.
  This can be checked with the help of your SAP security team.
  
  
  
  Review Configuration:
  
  Review the batch management configuration settings to ensure everything is set up correctly.
  Check if the batch management is activated for the material type in question.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the class lookup is failing. This may require the assistance of an SAP ABAP developer.
  
  
  
  Related Information:
  
  Batch Management: This is a feature in SAP that allows for the management of inventory in batches, which is particularly useful for industries like pharmaceuticals, food and beverage, and chemicals.
  Classification System: SAP uses a classification system to categorize materials and manage their attributes. Each class can have various characteristics that define the properties of the materials.
  Transaction Codes:
  
  MM03: Display Material
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  
  
  
  If you continue to experience issues after trying these solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.