How To Fix CNVMBTCHECK053 - &1| Existence of selfield &2 not checked. (cluster/pool)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTCHECK - Messages for PCL Checks

• Message number: 053

• Message text: &1| Existence of selfield &2 not checked. (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 CNVMBTCHECK053 - &1| Existence of selfield &2 not checked. (cluster/pool) ?

  The SAP error message CNVMBTCHECK053 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP Migration Cockpit or similar tools. This error indicates that the existence of a specific field (selfield) in a cluster or pool table was not checked, which can lead to inconsistencies or issues in the data migration process.
  Cause:
  
  Data Structure Issues: The error may arise if the data structure of the source system does not match the expected structure in the target system. This can happen if the field in question is not present in the source data or if there are discrepancies in the data model.
  Configuration Problems: There may be configuration issues in the migration settings that prevent the system from checking the existence of the specified field.
  Cluster/Pooled Tables: The error specifically mentions cluster or pooled tables, which are special types of database tables in SAP. If the field is part of a cluster or pool table, the system may not be able to validate its existence properly.
  
  Solution:
  
  Check Data Mapping: Review the data mapping configuration to ensure that all fields, especially the one mentioned in the error, are correctly mapped from the source to the target system.
  Validate Source Data: Ensure that the source data contains the field in question and that it is populated correctly. If the field is missing or has null values, it may lead to this error.
  Review Migration Settings: Check the migration settings in the SAP Migration Cockpit or the relevant tool you are using. Ensure that the settings allow for the validation of fields in cluster/pool tables.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or updates that address this error.
  Debugging: If you have access to the development environment, consider debugging the migration process to identify where the check is failing.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may provide additional insights or fixes related to this error. SAP frequently updates its knowledge base with solutions to common issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues. You can find discussions, solutions, or workarounds shared by other SAP professionals.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.