How To Fix /SMB/CONT_RESTRUCT020 - Length of target par &1 does not match length of source par &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CONT_RESTRUCT -

• Message number: 020

• Message text: Length of target par &1 does not match length of source par &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/CONT_RESTRUCT020 - Length of target par &1 does not match length of source par &2 ?

  The SAP error message /SMB/CONT_RESTRUCT020 indicates a mismatch in the lengths of the target parameter and the source parameter during a restructuring operation in the SAP system. This typically occurs in the context of data migration, transformation, or restructuring processes, particularly when using the SAP Business Suite or SAP S/4HANA.
  Cause:
  The error is caused by an inconsistency between the expected length of the target parameter and the actual length of the source parameter. This can happen due to several reasons:
  
  Data Type Mismatch: The data types of the source and target fields may not be compatible, leading to a length mismatch.
  Field Length Changes: If the structure of the target table or field has been modified (e.g., increased or decreased field length) without corresponding changes in the source data, this error can occur.
  Incorrect Mapping: During data migration or transformation, if the mapping between source and target fields is not correctly defined, it can lead to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Field Definitions: Verify the definitions of the source and target fields in the relevant data structures. Ensure that the lengths and data types match as expected.
  
  
  Review Mapping Configuration: If you are using a data migration tool or a transformation process, review the mapping configuration to ensure that the source fields are correctly mapped to the target fields.
  
  
  Adjust Data Lengths: If the target field has been modified (e.g., its length has been increased), ensure that the source data conforms to the new length requirements. You may need to truncate or pad the source data accordingly.
  
  
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure. This may involve checking logs or using debugging tools within SAP.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or process you are working with. There may be known issues or additional guidance available.
  
  
  Testing: After making adjustments, perform tests to ensure that the error is resolved and that data is being processed correctly.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Data Migration Tools: If you are using tools like SAP Data Services or SAP S/4HANA Migration Cockpit, consult their documentation for best practices and troubleshooting tips.
  Community Forums: Consider reaching out to SAP community forums or support channels for assistance from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.