How To Fix CNV644 - Build-up of individual matchcode pool tables was not confirmed

CNV644 - Overview

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 644

• Message text: Build-up of individual matchcode pool tables was not confirmed

Self-Explanatory Message

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CNV644 - Details

• The SAP error message "CNV644 Build-up of individual matchcode pool tables was not confirmed" typically occurs during the data migration process, particularly when using the SAP Data Migration Workbench or during the execution of a conversion program. This error indicates that the system was unable to confirm the successful build-up of matchcode pool tables, which are used for efficient data retrieval.
  Causes:
  
  Incomplete Data Migration: The data migration process may not have completed successfully, leading to inconsistencies in the matchcode pool tables.
  
  Configuration Issues: There may be configuration issues in the system that prevent the matchcode pool from being built correctly.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to create or modify matchcode pool tables.
  Database Issues: There could be underlying database issues, such as locks or corruption, that prevent the successful creation of the matchcode pool tables.
  Program Errors: There may be bugs or errors in the migration program