How To Fix CNV166 - For table &1, there are entries in CNVCONDITIONS (no drop-insert)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 166

• Message text: For table &1, there are entries in CNVCONDITIONS (no drop-insert)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV166 - For table &1, there are entries in CNVCONDITIONS (no drop-insert) ?

  The SAP error message CNV166 indicates that there are entries in the CNVCONDITIONS table for a specific table (&1), which prevents a drop-insert operation from being performed. This typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit.
  Cause:
  The error arises because the system has detected that there are existing conditions or entries in the CNVCONDITIONS table that are associated with the target table. The drop-insert operation is not allowed when there are existing conditions, as it could lead to data integrity issues or conflicts.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the CNVCONDITIONS Table:
  
  Use transaction SE11 or SE16 to view the contents of the CNVCONDITIONS table.
  Identify the entries related to the specific table (&1) mentioned in the error message.
  
  
  
  Analyze the Conditions:
  
  Determine why these conditions exist. They may be necessary for the data migration process, or they could be remnants from a previous migration attempt.
  
  
  
  Remove or Adjust Conditions:
  
  If the conditions are no longer needed, you can delete the relevant entries from the CNVCONDITIONS table.
  If the conditions are necessary, you may need to adjust your migration strategy to accommodate them.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or best practices for handling conditions in the CNVCONDITIONS table.
  
  
  
  Retry the Operation:
  
  After making the necessary adjustments, retry the drop-insert operation.
  
  
  
  Related Information:
  
  CNVCONDITIONS Table: This table is part of the SAP data migration framework and is used to store conditions that affect how data is migrated or transformed.
  Data Migration Tools: Familiarize yourself with the specific data migration tools you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have specific requirements or configurations.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional guidance on handling conditions in the migration process.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.