How To Fix CNV_DCII_COMM003 - Table &1 has no key-field of domain &2

CNV_DCII_COMM003 - Overview

• Message type: E = Error

• Message class: CNV_DCII_COMM - messages of objects of dev class CNV_DCII_COMM

• Message number: 003

• Message text: Table &1 has no key-field of domain &2

Self-Explanatory Message

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CNV_DCII_COMM003 - Details

• The SAP error message CNV_DCII_COMM003 indicates that a specific table (denoted as &1 in the error message) does not have a key field defined for a particular domain (denoted as &2). This error typically arises during data conversion or migration processes, particularly when using SAP's Data Conversion Workbench or similar tools.
  
  Cause:
  
  Missing Key Field: The table in question does not have a primary key or a unique key field defined. In SAP, key fields are essential for identifying records uniquely.
  Domain Issues: The domain specified may not be correctly associated with any field in the table, or the field that is supposed to use this domain is not defined as a key field.
  Data Model Changes: If there have been changes to the data model (e.g., during a system upgrade or migration), the expected key fields may have been altered or removed.
  
  
  Solution:
  
  
  Check Table Definition: 
  
  Go to the Data Dictionary (transaction SE11) and check