How To Fix RM161 - Invalid combination of material and production lot

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 161

• Message text: Invalid combination of material and production lot

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RM161 - Invalid combination of material and production lot ?

  The SAP error message RM161, which states "Invalid combination of material and production lot," typically occurs during processes such as goods movements, production order confirmations, or inventory management when there is a mismatch between the material and the production lot being referenced. Here are the potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Material Number: The material number entered may not correspond to the production lot specified.
  Lot Status: The production lot may be in a status that does not allow it to be used (e.g., blocked, expired, or not released).
  Material Master Data Issues: The material master data may not be correctly set up for the production lot, including missing or incorrect lot assignment.
  Production Lot Not Assigned: The production lot may not be assigned to the material in the system.
  Plant or Storage Location Issues: The material may not be available in the specified plant or storage location for the production lot.
  Batch Management: If batch management is enabled, the batch may not be valid for the material or may not exist.
  
  Solutions:
  
  Verify Material and Lot: Check that the material number and production lot are correctly entered and that they correspond to each other.
  Check Lot Status: Review the status of the production lot in the system to ensure it is available for use.
  Review Material Master Data: Ensure that the material master data is correctly configured, including the lot assignment and batch management settings.
  Check Assignment: Confirm that the production lot is assigned to the material in the system.
  Plant and Storage Location: Verify that the material is available in the correct plant and storage location.
  Batch Information: If applicable, check the batch information to ensure it is valid for the material and that it exists in the system.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MM03 (Display Material), MSC2N (Change Batch), or MB1A (Goods Withdrawal) to investigate the material and lot details.
  Batch Management: If your organization uses batch management, ensure that the batch is correctly set up and that it meets the criteria for the material.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that the user has the necessary authorizations to perform the action related to the material and production lot.
  
  By following these steps, you should be able to identify the root cause of the RM161 error and take appropriate action to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.