How To Fix USMD_MASS_LOAD021 - Key mapping for COA &1 account &2 company code &3 inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD_MASS_LOAD - Messages for MDG mass load

• Message number: 021

• Message text: Key mapping for COA &1 account &2 company code &3 inconsistent

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD_MASS_LOAD021 - Key mapping for COA &1 account &2 company code &3 inconsistent ?

  The SAP error message USMD_MASS_LOAD021 indicates that there is an inconsistency in the key mapping for the Chart of Accounts (COA) for a specific account and company code during a mass load operation. This typically occurs in the context of data migration or mass data uploads in SAP, particularly when dealing with financial data.
  Cause:
  The inconsistency can arise from several factors:
  
  Missing Mapping Entries: The mapping for the specified account in the Chart of Accounts may not exist or may be incomplete.
  Incorrect Configuration: The configuration settings for the Chart of Accounts or the company code may not align with the data being uploaded.
  Data Integrity Issues: There may be issues with the data being loaded, such as incorrect account numbers or company codes that do not exist in the system.
  Inconsistent Data: The data being uploaded may reference accounts or company codes that are not properly defined or do not match the expected format.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Mapping Entries:
  
  Verify that the mapping for the specified account and company code exists in the system.
  Ensure that the account is correctly assigned to the Chart of Accounts for the specified company code.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the Chart of Accounts and ensure that they are correctly set up for the company code in question.
  Make sure that the account is valid and active in the system.
  
  
  
  Validate Data:
  
  Review the data being uploaded to ensure that it adheres to the required format and that all necessary fields are populated correctly.
  Ensure that the account numbers and company codes in the upload file match those in the SAP system.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like OBY6 (for Chart of Accounts) and FS00 (for G/L account master data) to check the configuration and details of the accounts and company codes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on mass data uploads and the requirements for key mapping.
  
  
  
  Testing:
  
  After making corrections, perform a test upload with a smaller dataset to ensure that the issue is resolved before attempting a full mass load.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBY6, FS00, and MASS for mass data maintenance.
  SAP Notes: Check SAP Notes for any known issues or patches related to mass data uploads and the specific error message.
  Data Migration Tools: If you are using tools like SAP Data Services or LSMW (Legacy System Migration Workbench), ensure that the mapping and transformation rules are correctly defined.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the error message USMD_MASS_LOAD021.