How To Fix MILL_PC321 - Enter a batch number

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 321

• Message text: Enter a batch number

copied from HM6

What causes this issue?

Exteral rather than internal number assignment is defined for batches
in Customizing. Internal number assignment is not allowed for batches.

System Response

How to fix this error?

Enter a batch number manually.

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_PC321 - Enter a batch number ?

  The SAP error message MILL_PC321: "Enter a batch number" typically occurs in the context of production planning or inventory management when a batch number is required but not provided. This error is common in scenarios where batch management is enabled for materials, and the system expects a batch number to be specified for certain transactions.
  Cause:
  
  Batch Management Requirement: The material in question is set up for batch management, meaning that it requires a batch number for tracking and inventory purposes.
  Missing Input: The user did not enter a batch number in the relevant field when trying to perform an operation (e.g., goods movement, production order confirmation).
  Configuration Settings: The configuration settings for the material or the transaction may require a batch number to be entered, and the system is enforcing this rule.
  
  Solution:
  
  Enter a Batch Number: When prompted with the error, ensure that you enter a valid batch number in the designated field. You can usually find existing batch numbers by using the search help (F4) in the batch number field.
  Check Material Master: Verify the material master data to ensure that batch management is correctly configured. You can do this by navigating to the material master record and checking the batch management settings.
  Review Transaction Settings: If you are using a specific transaction, check if there are any settings or configurations that require a batch number. This may involve consulting with your SAP administrator or a functional consultant.
  User Training: Ensure that users are trained on the importance of batch numbers and how to enter them correctly in the system.
  
  Related Information:
  
  Batch Management in SAP: Batch management allows for the tracking of materials in batches, which is essential for industries like pharmaceuticals, food and beverage, and chemicals where traceability is critical.
  Transaction Codes: Familiarize yourself with relevant transaction codes that involve batch management, such as:
  
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  CO11N: Confirmation of Production Orders
  
  
  SAP Notes and Documentation: Check SAP Notes for any known issues or updates related to batch management and error messages. SAP Help Portal can also provide detailed documentation on batch management processes.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant for further assistance.