How To Fix CNV_OR_PE_GEN026 - Prefix of object name &1 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OR_PE_GEN - Messages for generation functions

• Message number: 026

• Message text: Prefix of object name &1 is not allowed

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 CNV_OR_PE_GEN026 - Prefix of object name &1 is not allowed ?

  The SAP error message CNV_OR_PE_GEN026 with the description "Prefix of object name &1 is not allowed" typically occurs during the execution of a conversion or migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the object name being processed has a prefix that is not permitted according to the naming conventions defined in the system.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Invalid Prefix: The object name (e.g., a table, field, or other database object) has a prefix that is not allowed. SAP has specific naming conventions, and certain prefixes may be reserved or restricted.
  Custom Objects: If you are working with custom objects, they may not adhere to the naming conventions required by the SAP system.
  Migration Settings: The settings or configurations in the migration tool may not be correctly set up, leading to the generation of invalid object names.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Object Naming: Review the object name mentioned in the error message. Ensure that it does not start with a prohibited prefix. Common prefixes that may be restricted include those reserved for SAP standard objects (e.g., "Z" or "Y" for custom objects, but check your specific system's guidelines).
  
  
  Rename Objects: If you identify that the object name has an invalid prefix, consider renaming the object to comply with the naming conventions. This may involve changing the prefix or the entire name.
  
  
  Review Migration Settings: If you are using a migration tool, check the configuration settings to ensure that they are set up correctly. Make sure that the mapping and transformation rules do not generate invalid object names.
  
  
  Consult Documentation: Refer to the SAP documentation or guidelines for naming conventions specific to your version of SAP. This can provide clarity on what prefixes are allowed.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide insights specific to your system and help troubleshoot the error.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  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 cause of the error and implement a solution to resolve it.