How To Fix CNVMBTCHECK055 - &1| Receiver field &2 will not be checked for existence. (cluster/pool)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTCHECK - Messages for PCL Checks

• Message number: 055

• Message text: &1| Receiver field &2 will not be checked for existence. (cluster/pool)

This migration object has a cluster or pooled table mentioned in its
table strucuture. Therefore the data dictionary checks will not be done
for this migration object.
For further assistance please refer to SAP support.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBTCHECK055 - &1| Receiver field &2 will not be checked for existence. (cluster/pool) ?

  The SAP error message CNVMBTCHECK055 indicates that there is an issue related to the existence check of a receiver field in a cluster or pool table during a data migration or conversion process. This error typically arises in the context of using the SAP Migration Cockpit or other data migration tools.
  Cause:
  The error message suggests that the system is unable to perform an existence check on the specified receiver field (denoted as &2) because it is part of a cluster or pool table. In SAP, cluster and pool tables are special types of database tables that are used to store related data in a compressed format. The existence check may fail due to:
  
  Data Structure: The receiver field is part of a cluster or pool table, which may not support direct existence checks like standard transparent tables.
  Configuration Issues: There may be configuration issues in the data migration settings or mapping that prevent the system from validating the existence of the field.
  Data Migration Tool Limitations: The data migration tool being used may have limitations or specific requirements for handling cluster/pool tables.
  
  Solution:
  To resolve the CNVMBTCHECK055 error, consider the following steps:
  
  
  Review Mapping Configuration: Check the mapping configuration in the data migration tool to ensure that the receiver field is correctly defined and that the source and target fields are properly mapped.
  
  
  Check Table Definitions: Verify the definitions of the cluster or pool tables involved. Ensure that the fields you are trying to check exist in the table structure.
  
  
  Use Alternative Methods: If the existence check is not feasible for cluster/pool tables, consider using alternative methods to validate the data. This may involve custom checks or adjustments in the migration logic.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be guidelines or best practices for handling cluster and pool tables.
  
  
  Seek SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration and the migration process you are using.
  
  
  Related Information:
  
  Cluster Tables: These are tables that store data in a compressed format and are used to group related data together. They are typically used for performance optimization.
  Pool Tables: Similar to cluster tables, pool tables are used to store data from multiple transparent tables in a single table structure.
  Data Migration Cockpit: This is a tool provided by SAP to facilitate data migration from legacy systems to SAP systems. It includes various features for mapping, validation, and data transfer.
  
  By following these steps and understanding the context of the error, you should be able to address the CNVMBTCHECK055 error effectively.