Message type: E = Error
Message class:  CNV21500 - Messages for HR conversions basis 
Message number: 023
Message text: Declaration of component &1 found in &2.
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The SAP error message CNV21500023, which states "Declaration of component &1 found in &2," typically occurs during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of a migration project. This error indicates that there is a problem with the declaration of a component in the system, which could be related to the configuration or the data being processed.
Cause: Missing or Incorrect Component Declaration: The component specified in the error message may not be properly declared in the system or may be missing entirely. Inconsistent Data: The data being migrated may not match the expected format or structure, leading to issues in recognizing the component.
Configuration Issues: There may be configuration settings that are not aligned with the components being used in the migration process. Version Compatibility: The components may not be compatible with the version of SAP you are using, especially if you are migrating from an
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