How To Fix /SCMB/DOCFLOW040 - Copying of data from table &1 into &2 failed due to duplicate key

/SCMB/DOCFLOW040 - Overview

• Message type: E = Error

• Message class: /SCMB/DOCFLOW -

• Message number: 040

• Message text: Copying of data from table &1 into &2 failed due to duplicate key

Self-Explanatory Message

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/SCMB/DOCFLOW040 - Details

• The SAP error message /SCMB/DOCFLOW040 indicates that there was an attempt to copy data from one table to another, but the operation failed due to the presence of duplicate keys in the source table. This error typically occurs in the context of data processing within the Supply Chain Management (SCM) module, particularly when dealing with document flow or data transfer processes.
  
  Cause:
  
  Duplicate Keys: The primary cause of this error is that the source table (&1) contains duplicate entries for the key fields that are supposed to be unique in the target table (&2). When the system tries to copy data, it encounters these duplicates and cannot proceed.
  Data Integrity Issues: There may be underlying data integrity issues in the source table, such as incorrect data entry or a failure in previous data processing steps that should have ensured uniqueness.
  
  Configuration Issues: There might be configuration settings in the system that do not align