How To Fix MW031 - You must enter delivery phase if you want to adopt only listed plants

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 031

• Message text: You must enter delivery phase if you want to adopt only listed plants

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW031 - You must enter delivery phase if you want to adopt only listed plants ?

  The SAP error message MW031, which states "You must enter delivery phase if you want to adopt only listed plants," typically occurs in the context of materials management, particularly when dealing with the creation or modification of a purchase order or a material master record. This error indicates that the system requires a specific delivery phase to be defined when you are trying to adopt or work with only certain listed plants.
  Cause:
  The error is triggered when:
  
  You are attempting to create or modify a document (like a purchase order) that involves multiple plants, but you have not specified a delivery phase.
  The system is configured to require a delivery phase for transactions involving listed plants, and this information is missing.
  
  Solution:
  To resolve the MW031 error, you can take the following steps:
  
  
  Specify the Delivery Phase:
  
  Go to the transaction where you encountered the error (e.g., ME21N for creating a purchase order).
  Look for the field related to the delivery phase and enter the appropriate value. This could be a specific phase in the procurement process that is relevant to your transaction.
  
  
  
  Check Plant Settings:
  
  Ensure that the plants you are working with are correctly set up in the system and that they have the necessary configurations for the delivery phase.
  You can check the plant settings in the material master (transaction MM03) or in the purchasing info records.
  
  
  
  Review Configuration:
  
  If you have access to configuration settings, review the settings related to the purchasing organization and plant assignments. Ensure that the delivery phase is defined for the relevant plants.
  You may need to consult with your SAP configuration team or a functional consultant to ensure that the settings align with your business processes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on the delivery phase and its requirements in your specific version of SAP.
  
  
  
  Testing:
  
  After making the necessary changes, try to recreate the transaction to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and MM03 (Display Material).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that you have the appropriate user roles and authorizations to make changes to the delivery phase and plant settings.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.