How To Fix UPO_MIG128 - &1 Well Class code already exist in UOM

SAP Error Message - Details

• Message type: E = Error

• Message class: UPO_MIG - Message Class for PRA->UOM Migration

• Message number: 128

• Message text: &1 Well Class code already exist in UOM

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UPO_MIG128 - &1 Well Class code already exist in UOM ?

  The SAP error message UPO_MIG128 indicates that there is an issue related to the Well Class code in the Unit of Measure (UOM) during a migration or data import process. This error typically arises when you are trying to create or update a Well Class code that already exists in the system.
  Cause:
  
  Duplicate Entry: The primary cause of this error is that the Well Class code you are trying to create or import already exists in the database. SAP does not allow duplicate entries for certain key fields to maintain data integrity.
  Data Migration Issues: If you are migrating data from another system or performing a bulk upload, there may be duplicates in the source data that are not being handled correctly.
  Configuration Issues: There may be configuration settings in SAP that enforce unique constraints on Well Class codes.
  
  Solution:
  
  Check Existing Entries: Before attempting to create a new Well Class code, check the existing entries in the system to confirm whether the code already exists. You can do this by navigating to the relevant transaction or table in SAP.
  Modify the Code: If the Well Class code already exists, consider using a different code that does not conflict with existing entries.
  Data Cleansing: If you are migrating data, ensure that your source data is cleansed to remove duplicates before the import process. This may involve deduplication processes or validation checks.
  Error Handling in Migration: If you are using a migration tool or script, implement error handling to skip or log entries that cause this error, allowing the migration to continue with valid entries.
  Consult Documentation: Review SAP documentation or notes related to the specific module you are working with for any additional guidance on handling Well Class codes and UOM.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., SE11 for data dictionary, SE16 for table display) to help you investigate existing Well Class codes.
  User Roles and Permissions: Ensure that you have the necessary permissions to create or modify Well Class codes in the system, as restrictions may also lead to errors.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.