How To Fix CNVMBTCHECK054 - &1| Table &2 will not be checked for existence in sender. (cluster/pool)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTCHECK - Messages for PCL Checks

• Message number: 054

• Message text: &1| Table &2 will not be checked for existence in sender. (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 CNVMBTCHECK054 - &1| Table &2 will not be checked for existence in sender. (cluster/pool) ?

  The SAP error message CNVMBTCHECK054 indicates that a specific table (denoted as &2 in the message) will not be checked for existence in the sender system because it is a cluster or pool table. This message is typically encountered during data migration or conversion processes, particularly when using the SAP Migration Cockpit or other data transfer tools.
  Cause:
  
  
  Cluster/Pooled Tables: The error arises because the table in question is a cluster or pooled table. In SAP, cluster and pooled tables are special types of tables that store data in a compressed format and are not treated like standard transparent tables. As a result, the system does not perform existence checks for these types of tables during data migration processes.
  
  
  Data Migration Context: This message is often seen in the context of data migration projects where certain tables are expected to be checked for their existence in the source system, but the system recognizes that the table is a cluster or pool table.
  
  
  Solution:
  
  
  Ignore the Message: If the migration process is functioning correctly and the data is being transferred as expected, you may choose to ignore this message. It is primarily informational and does not indicate a failure in the migration process.
  
  
  Review Migration Logic: Ensure that the migration logic or mapping does not rely on the existence of the cluster/pool table. If the data from this table is necessary for the migration, you may need to handle it differently, possibly by extracting the data from the cluster/pool table in a different manner.
  
  
  Check Data Requirements: Verify if the data from the cluster/pool table is required for your migration. If it is, you may need to create a custom extraction or transformation process to handle this data appropriately.
  
  
  Consult Documentation: Review SAP documentation or notes related to data migration and cluster/pool tables for any specific guidelines or best practices.
  
  
  Related Information:
  
  
  Cluster Tables: These are tables that store data from multiple transparent tables in a single table structure. They are used to optimize storage and performance.
  
  
  Pooled Tables: These tables are similar to cluster tables but are used to store data from multiple tables in a pooled manner. They are also designed for efficient storage.
  
  
  Data Migration Tools: Familiarize yourself with the tools and methodologies used for data migration in SAP, such as the SAP Migration Cockpit, LSMW (Legacy System Migration Workbench), or custom ABAP programs.
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions related to this error message.
  
  
  If you continue to experience issues or if the migration process is not functioning as expected, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.