How To Fix CNV_NCE_BAS455 - Subobject &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 455

• Message text: Subobject &1 is invalid

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS455 - Subobject &1 is invalid ?

  The SAP error message CNV_NCE_BAS455 with the description "Subobject &1 is invalid" typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of a conversion program. This error indicates that the specified subobject (denoted by &1) is not recognized or is invalid in the context of the operation being performed.
  Causes:
  
  Incorrect Subobject Name: The subobject specified in the operation may be misspelled or does not exist in the system.
  Configuration Issues: The subobject may not be properly configured in the system, leading to its invalid status.
  Data Migration Settings: If you are using a migration tool, the settings or mappings may not be correctly defined, causing the tool to reference an invalid subobject.
  Version Compatibility: The subobject may not be supported in the version of SAP you are using, especially if you are migrating from an older version.
  
  Solutions:
  
  Verify Subobject Name: Check the spelling and ensure that the subobject name is correct. You can do this by looking it up in the relevant configuration or data dictionary.
  Check Configuration: Ensure that the subobject is properly configured in the system. This may involve checking the relevant customizing settings in the SAP system.
  Review Migration Settings: If you are using a migration tool, review the settings and mappings to ensure that they are correctly defined and that the subobject is included in the migration plan.
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or conversion process you are executing. There may be specific instructions or prerequisites for the subobject in question.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may have additional insights or patches that can resolve the issue.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to check transaction codes related to data migration, such as LSMW (Legacy System Migration Workbench) or other specific migration tools.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on data migration issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.