How To Fix CNV_IUUC_REPL_ADV_SE197 - Cannot exclude key field &1

CNV_IUUC_REPL_ADV_SE197 - Overview

• Message type: E = Error

• Message class: CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS

• Message number: 197

• Message text: Cannot exclude key field &1

Self-Explanatory Message

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CNV_IUUC_REPL_ADV_SE197 - Details

• The SAP error message CNV_IUUC_REPL_ADV_SE197 with the description "Cannot exclude key field &1" typically occurs in the context of data replication or data migration processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that a key field, which is essential for identifying records uniquely, is being excluded from the replication or transformation process.
  
  Cause:
  
  Key Field Exclusion: The error arises when a key field (like a primary key in a database table) is attempted to be excluded from the replication or transformation process. Key fields are crucial for maintaining data integrity and ensuring that each record can be uniquely identified.
  
  Configuration Issues: There may be misconfigurations in the SLT settings or the data model that lead to the exclusion of key fields.
  Data Model Changes: If there have been recent changes to the data model, such as adding or removing fields, it may lead to inconsistencies that