How To Fix /PLMB/BA_MCH012 - Field &1 not changed due to error during update

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_MCH -

• Message number: 012

• Message text: Field &1 not changed due to error during update

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_MCH012 - Field &1 not changed due to error during update ?

  The SAP error message /PLMB/BA_MCH012 Field &1 not changed due to error during update typically occurs in the context of the SAP PLM (Product Lifecycle Management) module, particularly when there is an issue during the update of a specific field in a database table. This error indicates that the system attempted to update a field but encountered an error that prevented the change from being applied.
  Causes:
  
  Data Integrity Issues: The data being updated may violate integrity constraints, such as foreign key constraints or unique constraints.
  Authorization Issues: The user may not have the necessary authorizations to perform the update on the specified field.
  Business Logic Errors: There may be custom business logic (e.g., user exits, BAdIs) that is preventing the update due to specific conditions not being met.
  Database Locking: The record may be locked by another transaction, preventing the update from being applied.
  Technical Errors: There could be issues with the underlying database or the SAP application itself, such as missing fields or incorrect data types.
  
  Solutions:
  
  Check Data Integrity: Review the data being updated to ensure it meets all integrity constraints. Validate that the values being entered are correct and do not violate any rules.
  Review Authorizations: Ensure that the user has the necessary permissions to update the field. This can be checked in the user roles and authorizations.
  Debug Custom Logic: If there are custom enhancements or logic in place, debug the code to identify any conditions that may be causing the update to fail.
  Check for Locks: Use transaction codes like SM12 to check for locks on the record being updated. If a lock is found, determine if it can be released or if the other transaction can be completed.
  Review System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the failure.
  Consult SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) for debugging purposes.
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the PLM module for any specific guidelines or best practices regarding data updates.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation and resolution.