How To Fix MD182 - Lot size procedure &1 being used is not gross lot size procedure

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 182

• Message text: Lot size procedure &1 being used is not gross lot size procedure

What causes this issue?

The lot-sizing procedure entered does not correspond to the
requirements of a long-term lot size. Only lot-for-lot order quantity
and period lot-sizing procedures are allowed to be a gross lot-sizing
procedure. The corresponding parameters in the lot-sizing procedure
have to be valid for the whole horizon.

How to fix this error?

Choose a lot-for-lot order quantity or period lot-sizing procedure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD182 - Lot size procedure &1 being used is not gross lot size procedure ?

  The SAP error message MD182 indicates that there is an issue with the lot size procedure being used in the material master data. Specifically, it states that the lot size procedure defined for a material is not a gross lot size procedure, which is required for certain planning scenarios in SAP.
  Cause:
  
  Incorrect Lot Size Procedure: The material master record is configured with a lot size procedure that is not compatible with the planning strategy being used. For example, if the planning strategy requires a gross lot size procedure but the material is set up with a different type (like a fixed lot size), this error will occur.
  Planning Strategy Mismatch: The planning strategy assigned to the material may require a specific lot size procedure that is not currently set in the material master.
  Configuration Issues: There may be issues in the configuration of the lot size procedures in the system, leading to the assignment of an incorrect procedure to the material.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the lot size procedure assigned to the material.
  Ensure that the lot size procedure is set to a gross lot size procedure if required by the planning strategy.
  
  
  
  Adjust Lot Size Procedure:
  
  If the current lot size procedure is incorrect, you can change it in the material master (transaction code MM02) under the relevant views (usually the MRP view).
  Select a gross lot size procedure that aligns with the planning strategy.
  
  
  
  Review Planning Strategy:
  
  Check the planning strategy assigned to the material (in the MRP view of the material master).
  Ensure that the planning strategy is appropriate for the lot size procedure being used.
  
  
  
  Consult Configuration:
  
  If you are unsure about which lot size procedures are available or how they are configured, consult with your SAP configuration team or refer to the configuration documentation.
  You may need to adjust the configuration in SPRO if there are issues with the definitions of lot size procedures.
  
  
  
  Testing:
  
  After making changes, perform a test run of the planning process to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Lot Size Procedures: These are defined in the SAP system to control how lot sizes are calculated during planning. Common types include gross, fixed, and lot-for-lot.
  Planning Strategies: These define how materials are planned in SAP, including how demand is met and how inventory is managed.
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  SPRO: Access to SAP Customizing Implementation Guide
  
  
  
  By following these steps, you should be able to resolve the MD182 error and ensure that the material is set up correctly for planning in SAP.