How To Fix CNV154 - Cluster &1 deleted from Data Dictionary.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 154

• Message text: Cluster &1 deleted from Data Dictionary.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV154 - Cluster &1 deleted from Data Dictionary. ?

  The SAP error message "CNV154 Cluster &1 deleted from Data Dictionary" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a specific cluster table, referenced by the placeholder &1, has been deleted from the Data Dictionary, which can lead to issues in data processing.
  Cause:
  
  Cluster Table Deletion: The cluster table that the system is trying to access has been removed from the Data Dictionary. This could happen due to system upgrades, changes in data model, or manual deletions.
  Inconsistent Data Model: The data model may have changed, and the migration process is trying to access obsolete structures that no longer exist.
  Configuration Issues: There may be configuration issues in the migration settings that reference the deleted cluster.
  
  Solution:
  
  Check Data Dictionary: Verify if the cluster table mentioned in the error message exists in the Data Dictionary (transaction SE11). If it has been deleted, you may need to adjust your migration strategy.
  Update Migration Settings: If the cluster table is no longer relevant, update your migration settings to exclude references to this table.
  Consult Documentation: Review the migration documentation for any changes in the data model that may affect your migration process.
  Use Alternative Data Structures: If the cluster table has been replaced with a different structure, update your migration logic to use the new structure.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is part of a larger migration project.
  
  Related Information:
  
  Transaction Codes: Use SE11 to check the Data Dictionary and SE80 for object navigation.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its requirements.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on migration issues.
  Documentation: Review the SAP Help Portal for information on data migration and the specific requirements for your version of SAP.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.