How To Fix MG231 - Trans. &: field & not copied because field selection_1

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 231

• Message text: Trans. &: field & not copied because field selection_1

What causes this issue?

The transaction-related field selection string defines this field as
not ready for input.
For example, you can only enter a planned delivery time if the material
is procured externally.

System Response

The value in this field will be reset when you press Enter.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG231 - Trans. &: field & not copied because field selection_1 ?

  The SAP error message MG231 typically indicates that a certain field in a transaction is not being copied due to field selection settings. This error often arises in the context of inventory management or material document processing, where certain fields are required to be filled based on the field selection configuration.
  Cause:
  The error message "MG231 Trans. &: field & not copied because field selection_1" suggests that the field in question is not being copied from the source document to the target document due to the field selection criteria defined in the system. This can happen for several reasons:
  
  
  Field Selection Group: The field selection for the specific transaction is set in such a way that the field is not allowed to be copied. This is often defined in the configuration settings for the material management module.
  
  
  Document Type Settings: The document type being used may have restrictions on which fields can be copied or are mandatory.
  
  
  User Authorizations: The user may not have the necessary authorizations to access or modify certain fields.
  
  
  Solution:
  To resolve the MG231 error, you can take the following steps:
  
  
  Check Field Selection Settings:
  
  Go to the configuration settings for the relevant transaction (e.g., Inventory Management).
  Navigate to the field selection settings and verify if the field in question is marked as "optional" or "not allowed" for the specific transaction type.
  
  
  
  Adjust Document Type Configuration:
  
  Review the configuration for the document type being used. Ensure that the field is set to be copied if it is necessary for your business process.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to access and modify the fields in question. This can be checked in the user roles and profiles.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on field selection and document types related to your version of SAP.
  
  
  
  Testing:
  
  After making changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OMJJ (for document types) or SPRO (for configuration) to access the relevant settings.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches.
  Community Forums: SAP Community or other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.