How To Fix CNV_IUUC_REPLICATION356 - Cannot delete field &1 from table

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 356

• Message text: Cannot delete field &1 from table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION356 - Cannot delete field &1 from table ?

  The SAP error message CNV_IUUC_REPLICATION356 indicates that there is an attempt to delete a field from a table that is not allowed, typically due to constraints or dependencies in the system. This error is often encountered in the context of data replication or data migration processes, particularly when using SAP Landscape Transformation (SLT) or similar tools.
  Cause:
  
  Field Dependencies: The field you are trying to delete may be part of a primary key, foreign key, or other constraints that prevent its deletion.
  Data Replication: If the field is being used in a replication setup, it may be actively used in the data flow, making it impossible to delete.
  Custom Code or Enhancements: There may be custom code, enhancements, or user exits that reference the field, preventing its deletion.
  Data Model Constraints: The field might be part of a data model that has specific rules regarding field deletion.
  
  Solution:
  
  Check Dependencies: Before attempting to delete the field, check for any dependencies such as keys, indexes, or constraints that may be preventing the deletion. You can use transaction codes like SE11 (Data Dictionary) to analyze the table structure.
  Remove References: If there are custom programs or enhancements that reference the field, you will need to modify or remove those references before proceeding with the deletion.
  Adjust Replication Settings: If the field is part of a replication setup, you may need to adjust the replication settings or stop the replication process temporarily to allow for the deletion.
  Consult Documentation: Review SAP documentation or notes related to the specific error message for any additional guidance or best practices.
  Use Transaction SE14: If the field is part of a database table, you can use transaction SE14 (Database Utility) to check and adjust the database structure.
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SLT Configuration.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Documentation: Review the SAP Help Portal for information on data replication and the specific tools you are using (e.g., SLT).
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.