How To Fix CNV_00001264 - All source tables are mapped to exactly one target table

CNV_00001264 - Overview

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 264

• Message text: All source tables are mapped to exactly one target table

Self-Explanatory Message

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CNV_00001264 - Details

• The SAP error message CNV_00001264 indicates that during a data migration or conversion process, all source tables have been mapped to exactly one target table. This situation typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
  
  Cause:
  
  Mapping Configuration: The error usually occurs when the mapping configuration for the data migration is set up incorrectly. It suggests that the source tables are not properly defined to map to multiple target tables, or the mapping logic is too restrictive.
  Data Model Changes: If there have been changes in the data model (e.g., during an upgrade or migration), the existing mappings may no longer be valid or optimal.
  Inadequate Source Data: The source data might not have the necessary structure or content to be distributed across multiple target tables.
  
  
  Solution:
  
  Review Mapping Configuration: Check the mapping configuration in the migration tool. Ensure that the source