How To Fix CNV20551750 - Reconciliation of table-field &1-&2 with reference &3-&4 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 750

• Message text: Reconciliation of table-field &1-&2 with reference &3-&4 not possible

What causes this issue?

Reconciliation of tables is possible only if:
For standard SAP table-fields: If the domains of the fields are the same
For customer tables or customer fields: If the length of the reference
field length is greater than or equal to the field length.
<ZH>Note:</> For table pools or clusters, the reconciliation is possible
only if the field length is greater than or equal to the field length in
the transparent part.

System Response

Error

How to fix this error?

For reconciliation of the tables, choose appropriate fields which match
the above mentioned criterion.

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 CNV20551750 - Reconciliation of table-field &1-&2 with reference &3-&4 not possible ?

  The SAP error message CNV20551750 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a reconciliation issue between the specified table and field, which means that the data in the source system does not match the expected format or values in the target system.
  Cause:
  
  Data Inconsistency: The data in the source system may not be consistent with the expected data structure or values in the target system.
  Mapping Issues: There may be incorrect or missing mapping between the source and target fields.
  Data Type Mismatch: The data types of the fields in the source and target systems may not match, leading to conversion issues.
  Missing Data: Required data in the source system may be missing or incomplete, preventing successful reconciliation.
  Configuration Issues: There may be configuration settings in the migration tool that are not set correctly.
  
  Solution:
  
  Check Data Consistency: Review the data in the source system for inconsistencies. Ensure that the data adheres to the expected formats and values.
  Review Mapping: Verify the mapping of fields between the source and target systems. Ensure that all necessary fields are correctly mapped.
  Data Type Verification: Check the data types of the fields in both systems. Make sure they are compatible and that any necessary conversions are handled.
  Data Completeness: Ensure that all required data is present in the source system. If any data is missing, it may need to be populated before migration.
  Consult Migration Documentation: Refer to the SAP migration documentation for specific guidelines related to the tables and fields involved in the error.
  Use SAP Tools: Utilize SAP tools such as the Data Migration Cockpit or the SAP S/4HANA Migration Object Modeler to assist in identifying and resolving issues.
  Error Logs: Check the error logs for more detailed information about the specific records causing the issue. This can help pinpoint the exact problem.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Testing: Conduct thorough testing in a development or sandbox environment before performing the migration in production to identify and resolve issues early.
  
  If the problem persists after following these steps, it may be beneficial to consult with SAP support or a qualified SAP consultant for further assistance.