How To Fix MD704 - Lot size & not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 704

• Message text: Lot size & not maintained

What causes this issue?

In Customizing of MRP, lot size &V1& does not exist.

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

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD704 - Lot size & not maintained ?

  The SAP error message MD704, which states "Lot size & not maintained," typically occurs in the context of Material Requirements Planning (MRP) when the system is unable to find a valid lot size for a material in the planning process. This can happen for various reasons, and understanding the cause and potential solutions is essential for resolving the issue.
  Cause:
  
  Missing Lot Size Configuration: The material master record for the specific material may not have a defined lot size in the MRP view.
  Incorrect Lot Size Settings: The lot size settings may be incorrectly configured or not aligned with the requirements of the MRP process.
  Material Type Restrictions: Certain material types may have specific requirements for lot size that are not met.
  Planning Parameters: The planning parameters for the material may not be set up correctly, leading to the absence of a valid lot size.
  Data Inconsistencies: There may be inconsistencies or missing data in the material master or related configuration settings.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the MRP view.
  Ensure that the lot size is defined in the "Lot Size" field. If it is missing, you will need to maintain it.
  
  
  
  Maintain Lot Size:
  
  If the lot size is not maintained, you can update it by using transaction code MM02 to change the material master data.
  Navigate to the MRP view and enter the appropriate lot size (e.g., fixed lot size, lot-for-lot, etc.).
  
  
  
  Review MRP Parameters:
  
  Check the MRP parameters for the material in the MRP view to ensure they are set correctly.
  Ensure that the "Lot Size" field is set to a valid option that meets your planning requirements.
  
  
  
  Check for Material Type Restrictions:
  
  Verify if the material type has specific restrictions or requirements regarding lot sizes. You may need to consult with your SAP configuration team.
  
  
  
  Run MRP Again:
  
  After making the necessary changes, run the MRP process again to see if the error persists.
  
  
  
  Consult Documentation:
  
  If the issue continues, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  MD01: MRP Run
  
  
  Lot Size Types:
  
  Fixed Lot Size
  Lot-for-Lot
  Economic Order Quantity (EOQ)
  Reorder Point
  
  
  MRP Views: Ensure that you are familiar with the different views in the material master, especially the MRP view, as this is where lot size settings are maintained.
  
  By following these steps, you should be able to resolve the MD704 error and ensure that your MRP process runs smoothly.