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

MW031 - Overview

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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