How To Fix CNV20551459 - Error; overlap of structure fields (&)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 459

• Message text: Error; overlap of structure fields (&)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551459 - Error; overlap of structure fields (&) ?

  The SAP error message CNV20551459 indicates that there is an overlap of structure fields in a data conversion or migration process. This typically occurs during the conversion of data from one structure to another, where two or more fields in the target structure are defined in such a way that they overlap in memory or data representation.
  Cause:
  
  Field Overlap: The error arises when the defined lengths or positions of fields in a structure overlap. For example, if you have two fields defined in a way that their byte lengths or offsets overlap, it can lead to this error.
  Data Mapping Issues: During data migration, if the mapping of source fields to target fields is not done correctly, it can lead to overlaps.
  Changes in Data Structures: If there have been changes in the data structures (like adding or modifying fields) without proper adjustments in the mapping, it can cause overlaps.
  
  Solution:
  
  Review Structure Definitions: Check the definitions of the structures involved in the conversion. Ensure that the fields do not overlap in terms of their byte lengths and offsets.
  Adjust Field Lengths: If you find overlapping fields, adjust their lengths or positions to ensure they are distinct and do not overlap.
  Update Data Mapping: Review the data mapping logic to ensure that fields are correctly mapped without overlaps. Make necessary adjustments to the mapping configuration.
  Testing: After making changes, perform thorough testing to ensure that the error is resolved and that data is being migrated correctly without any loss or corruption.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are working on for any additional guidance or best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context on handling structure overlaps.
  Data Migration Tools: If you are using specific SAP tools for data migration (like SAP S/4HANA Migration Cockpit), consult the documentation for those tools for best practices and troubleshooting tips.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the CNV20551459 error and implement a solution to resolve it.