How To Fix MW179 - For material & with strategy &, no & could be determined. &

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 179

• Message text: For material & with strategy &, no & could be determined. &

What causes this issue?

The material is not listed in at least one plant. Since no data is
available for the material, the system is unable to determine the
quantities or quotas to be allocated when an allocation strategy is
used.
When the allocation strategy replenishment is used, for example, no
stock data exists for the replenishment quantities to be determined.

How to fix this error?

Enter planned quantities manually for the plants in which the material
was not listed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW179 - For material & with strategy &, no & could be determined. & ?

  The SAP error message MW179 typically indicates that the system is unable to determine a suitable stock or supply for a material based on the specified planning strategy. This error often arises in the context of materials management and production planning, particularly when dealing with materials that have specific planning strategies assigned to them.
  Cause:
  The error message MW179 can occur due to several reasons, including:
  
  
  Missing Master Data: The material master data may not be properly maintained. This includes missing or incorrect information in the MRP (Material Requirements Planning) views.
  
  
  Planning Strategy Issues: The planning strategy assigned to the material may not be appropriate for the current demand or supply situation. For example, if the strategy is set to "Make to Stock" but there is no stock available, the system will not be able to determine a supply.
  
  
  Stock Availability: There may be no available stock for the material in the required storage location or plant.
  
  
  MRP Settings: The MRP settings for the material may not be configured correctly, leading to issues in supply determination.
  
  
  Demand and Supply Mismatch: There may be a mismatch between the demand and the available supply, especially if the demand is generated from sales orders or forecasts.
  
  
  Solution:
  To resolve the MW179 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify that all relevant data is correctly maintained, especially in the MRP views.
  Ensure that the planning strategy is appropriate for the material.
  
  
  
  Review Stock Levels:
  
  Check the stock levels for the material using transaction code MMBE. Ensure that there is sufficient stock available in the required plant and storage location.
  
  
  
  Analyze MRP Settings:
  
  Review the MRP settings for the material. Ensure that the MRP type, lot size, and other relevant parameters are correctly configured.
  
  
  
  Check Demand:
  
  Analyze the demand for the material. If there are sales orders or forecasts, ensure that they are correctly entered and that the system can fulfill them based on the available stock.
  
  
  
  Run MRP:
  
  If changes have been made to the material master or stock levels, run the MRP process again (transaction code MD02 or MD03) to see if the issue is resolved.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details related to the planning strategy and MRP settings.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MMBE (Stock Overview), MD02 (MRP Run), MD03 (Single Item MRP).
  Planning Strategies: Familiarize yourself with different planning strategies in SAP, such as Make to Stock (MTS), Make to Order (MTO), and others, to understand their implications on stock determination.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the MW179 error.
  
  By following these steps, you should be able to identify the root cause of the MW179 error and implement the necessary corrections to resolve it.