How To Fix FDM_MIRROR011 - FI customer master data already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: FDM_MIRROR - Mirror System Messages

• Message number: 011

• Message text: FI customer master data already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDM_MIRROR011 - FI customer master data already exists ?

  The SAP error message FDM_MIRROR011 indicates that there is an attempt to create or mirror a Financial (FI) customer master record that already exists in the system. This error typically arises during data migration or when integrating systems where duplicate entries are not allowed.
  
  Cause:
  
  
  Duplicate Entry: The primary cause of this error is that the customer master data you are trying to create already exists in the system. This could be due to:
  
  Manual entry of the same customer data.
  Data migration processes that attempt to insert existing records.
  Integration processes that do not check for existing records before attempting to create new ones.
  
  
  
  Data Consistency Issues: There may be inconsistencies in the data being imported or mirrored, leading to conflicts with existing records.
  
  
  
  Solution:
  
  
  Check for Existing Records: Before attempting to create a new customer master record, check the database for existing records using transaction codes like FD03 (Display Customer) or SE16N (Data Browser) to search