How To Fix CNV_MBT_SHELL003 - Field method not maintned; shell size to be copied from sender sys. size

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_SHELL - Shell Creation

• Message number: 003

• Message text: Field method not maintned; shell size to be copied from sender sys. size

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_SHELL003 - Field method not maintned; shell size to be copied from sender sys. size ?

  The SAP error message CNV_MBT_SHELL003 typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other migration tools. This error indicates that there is an issue with the field method not being maintained, and it suggests that the shell size should be copied from the sender system's size.
  Cause:
  
  Field Method Not Maintained: The error suggests that the field method for a specific data object or structure has not been properly defined or maintained in the target system. This can happen if the migration object is not correctly configured or if there are missing mappings.
  Inconsistent Data Structures: The data structures in the source and target systems may not match, leading to issues when trying to copy or transform data.
  Configuration Issues: There may be configuration issues in the migration cockpit or the specific migration project that prevent the system from determining the correct shell size.
  
  Solution:
  
  Check Field Method Configuration: Review the configuration of the field methods in the migration project. Ensure that all necessary field methods are defined and maintained correctly.
  Review Migration Object Settings: Verify the settings for the migration object you are working with. Ensure that the mappings and transformations are correctly set up.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be specific guidelines or prerequisites that need to be followed.
  Adjust Shell Size: If the error suggests copying the shell size from the sender system, ensure that the shell size is correctly defined in the sender system and that the target system can access this information.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes or enhancements related to the migration process.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration and migration scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common issues and their resolutions.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.