How To Fix MW407 - Supply source determination for plants requires a delivery phase

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 407

• Message text: Supply source determination for plants requires a delivery phase

What causes this issue?

Supply source determination requires the entry of a delivery phase for
the supply source to be determined for a plant.
Supply source determination is run with the first delivery phase data.
If you do not enter a delivery phase, supply source determination is
run for the current date.

How to fix this error?

Enter a delivery phase.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW407 - Supply source determination for plants requires a delivery phase ?

  The SAP error message MW407 indicates that there is an issue with the supply source determination for a plant, specifically that it requires a delivery phase. This error typically arises in the context of materials management and logistics when the system is unable to determine a valid supply source for a material in a specific plant.
  Cause:
  
  Missing Delivery Phase: The error suggests that the system is expecting a delivery phase to be defined for the material in question, but it is not set up correctly.
  Configuration Issues: There may be configuration issues in the material master or in the supply chain settings that prevent the system from determining a valid source.
  Incomplete Master Data: The material master data may be incomplete or incorrectly maintained, particularly in the areas related to purchasing and supply chain management.
  Plant-Specific Settings: The settings for the specific plant may not be correctly configured to allow for supply source determination.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and ensure that all relevant data is correctly maintained, especially in the purchasing and plant-specific views.
  Verify that the delivery phase is defined for the material in the relevant plant.
  
  
  
  Review Supply Source Configuration:
  
  Check the configuration settings in the SAP system related to supply source determination. This can be done through transaction codes like SPRO (SAP Project Reference Object) to navigate to the relevant configuration paths.
  Ensure that the supply chain settings are correctly defined for the plant and material type.
  
  
  
  Define Delivery Phases:
  
  If the delivery phase is not defined, you may need to create or adjust it in the system. This can involve defining the delivery phases in the relevant customizing settings.
  
  
  
  Check Purchase Info Records:
  
  Ensure that there are valid purchase info records for the material and vendor combination. This can be checked using transaction code ME13.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on supply source determination and delivery phases.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test to see if the error persists. You can try to create a purchase order or perform the action that triggered the error initially.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), ME13 (Display Info Record), SPRO (Customizing).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and edit the material master and related configurations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management and logistics.