How To Fix IUUC_ME012 - Key field changed

IUUC_ME012 - Overview

• Message type: E = Error

• Message class: IUUC_ME -

• Message number: 012

• Message text: Key field changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_ME012 - Key field changed ?

  The SAP error message IUUC_ME012 ("Key field changed") typically occurs in the context of the SAP Landscape Transformation (SLT) replication process. This error indicates that a key field in the source table has been modified, which can lead to inconsistencies in the data replication process.
  
  Cause:
  
  Key Field Modification: The primary cause of this error is that a key field (usually a primary key) in the source table has been changed after the initial data replication setup. In SLT, key fields are critical for identifying records uniquely, and any change to these fields can disrupt the replication process.
  Data Consistency Issues: If the key fields are altered, it can lead to inconsistencies between the source and target systems, as SLT relies on these keys to track changes and replicate data accurately.
  
  
  Solution:
  
  Identify Changes: Review the source table to identify which key fields have been changed. This may involve checking the application logs or database