How To Fix CNV_IUUC_REPL_ADV_SE151 - Field positions changed. &1 will become non-key field

CNV_IUUC_REPL_ADV_SE151 - Overview

• Message type: E = Error

• Message class: CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS

• Message number: 151

• Message text: Field positions changed. &1 will become non-key field

Self-Explanatory Message

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CNV_IUUC_REPL_ADV_SE151 - Details

• The SAP error message CNV_IUUC_REPL_ADV_SE151 indicates that there is an issue with field positions in a data replication scenario, specifically in the context of the SAP Landscape Transformation (SLT) replication. This error typically arises when the structure of the source table has changed, leading to a situation where a field that was previously a key field is no longer considered a key field due to its position change.
  
  Cause:
  
  Field Position Change: The most common cause of this error is that the position of a field in the source table has changed. This can happen due to changes in the underlying database schema, such as adding, removing, or reordering fields.
  Key Field Definition: The field that is now being flagged as a non-key field was previously defined as a key field in the SLT configuration. If the field's position changes, SLT may no longer recognize it as a key field.
  Data Model Changes: Changes