How To Fix CNV_PE_POST837 - Start building the undo transfer lists

CNV_PE_POST837 - Overview

• Message type: E = Error

• Message class: CNV_PE_POST -

• Message number: 837

• Message text: Start building the undo transfer lists

Self-Explanatory Message

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CNV_PE_POST837 - Details

• The SAP error message "CNV_PE_POST837 Start building the undo transfer lists" typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error is related to the process of creating undo transfer lists, which are necessary for rolling back changes if an error occurs during the data transfer.
  
  Cause:
  
  Data Consistency Issues: The error may arise if there are inconsistencies in the data being processed, such as missing or invalid entries.
  Configuration Problems: Incorrect configuration settings in the migration tool or the source system can lead to this error.
  System Performance: If the system is under heavy load or if there are performance issues, it may not be able to build the undo transfer lists in a timely manner.
  Authorization Issues: Lack of necessary authorizations for the user executing the migration can also trigger this error.
  Technical Errors: There may be underlying technical