How To Fix CNV20200249 - Performance optimization: ASSIGN to field (of domain) &1 failed

CNV20200249 - Overview

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 249

• Message text: Performance optimization: ASSIGN to field (of domain) &1 failed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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CNV20200249 - Details

• The SAP error message CNV20200249, which indicates a performance optimization issue related to the assignment to a field of a specific domain, typically arises during data migration or conversion processes. This error is part of the SAP Conversion and Migration tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  The error message CNV20200249 usually occurs due to one or more of the following reasons:
  
  
  Data Type Mismatch: The data being assigned to a field does not match the expected data type or length defined in the domain. This can happen if the source data has different characteristics than the target field.
  
  
  Field Length Exceeded: The data being migrated may exceed the maximum length defined for the target field in the domain.
  
  
  Invalid Data: The data being processed may contain invalid characters or formats that are not acceptable for the target field.
  
  
  Performance Optimization Settings: The error may also be related to specific