How To Fix CNV20305453 - RFBLG cluster table &1 is processed cluster-optimized

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20305 - Messages for conversion packages in CO

• Message number: 453

• Message text: RFBLG cluster table &1 is processed cluster-optimized

What causes this issue?

The field USECLTECH indicator was not set for the cluster table &V1&.
The cluster tables of a cluster should be selected collectively with
optimized settings for this purpose.
For that reason RFBLG cluster table &V1& should be processed
cluster-optimized.
The associated settings are added (USECLTECH indicator).

System Response

Information

How to fix this error?

No further actions are required.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20305453 - RFBLG cluster table &1 is processed cluster-optimized ?

  The SAP error message CNV20305453 indicates that there is an issue related to the processing of a cluster table, specifically the RFBLG table, in a cluster-optimized manner. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools or during system upgrades.
  Cause:
  
  Cluster Table Processing: The RFBLG table is a cluster table, which means it stores data in a way that allows for efficient storage and retrieval. However, certain operations or data migration processes may not be compatible with cluster tables, leading to this error.
  Data Migration Tools: If you are using tools like the SAP S/4HANA Migration Cockpit or other data migration tools, they may not support direct processing of cluster tables in the way that is required for the operation you are attempting.
  Configuration Issues: There may be configuration settings in your SAP system that are not aligned with the requirements for processing cluster tables.
  
  Solution:
  
  Check Migration Settings: Review the settings and parameters of the data migration tool you are using. Ensure that it is configured to handle cluster tables appropriately.
  Use Alternative Methods: If the tool does not support cluster table processing, consider using alternative methods to extract, transform, and load (ETL) the data. This may involve converting the cluster table data into a transparent table format before processing.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Data Extraction: If you are migrating data, consider extracting the data from the cluster table into a flat file or a transparent table format, and then reloading it into the target system.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific context of your system and the operations you are performing.
  
  Related Information:
  
  Cluster Tables: Understand the structure and purpose of cluster tables in SAP. They are designed to store related data in a compact format, but they can complicate data processing tasks.
  Data Migration Tools: Familiarize yourself with the capabilities and limitations of the data migration tools you are using, such as the SAP S/4HANA Migration Cockpit or SAP Data Services.
  SAP Documentation: Review the official SAP documentation for guidelines on handling cluster tables and data migration best practices.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the CNV20305453 error and successfully process the RFBLG cluster table.