How To Fix CNV_PE_POST028 - BBKPF must contain exactly one record

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_POST -

• Message number: 028

• Message text: BBKPF must contain exactly one record

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_POST028 - BBKPF must contain exactly one record ?

  The SAP error message CNV_PE_POST028 indicates that the table BBKPF (which is part of the Financial Accounting module) must contain exactly one record during a specific operation, typically related to data migration or conversion processes. This error often arises in the context of using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error occurs when the system expects to find exactly one record in the BBKPF table, but it finds either none or more than one record. This situation can arise due to several reasons:
  
  Data Duplication: There may be duplicate entries in the BBKPF table that violate the uniqueness constraint.
  Missing Data: The expected record might not have been created or migrated properly.
  Incorrect Configuration: The configuration settings for the migration process may not align with the data structure or requirements.
  Data Integrity Issues: There may be issues with the integrity of the data being migrated, such as missing keys or relationships.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check the BBKPF Table:
  
  Use transaction code SE11 or SE16 to view the contents of the BBKPF table.
  Verify if there are multiple records or if the expected record is missing.
  
  
  
  Identify Duplicates:
  
  If duplicates are found, identify the cause of duplication and remove or consolidate the records as necessary.
  
  
  
  Data Validation:
  
  Ensure that the data being migrated is complete and adheres to the expected structure.
  Validate that all necessary keys and relationships are correctly defined.
  
  
  
  Review Migration Settings:
  
  Check the configuration settings of the migration tool you are using to ensure they are set up correctly.
  Make sure that the mapping of fields and records is accurate.
  
  
  
  Consult Logs:
  
  Review any logs generated during the migration process for additional context or error messages that may provide further insight into the issue.
  
  
  
  Test Migration:
  
  If possible, perform a test migration with a smaller dataset to isolate the issue and confirm that the process works as expected.
  
  
  
  Seek Help:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and data.
  
  
  
  Related Information:
  
  BBKPF Table: This table is part of the Financial Accounting module and typically contains header information for accounting documents.
  Data Migration Tools: Familiarize yourself with the specific SAP tools you are using for migration, as they may have specific requirements or configurations.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the CNV_PE_POST028 error and implement a solution to resolve it.