How To Fix K6455 - Table &1 is not allowed as a reference table

SAP Error Message - Details

• Message type: E = Error

• Message class: K6 - EC-EIS/EC-BP data basis: Data entry and collection

• Message number: 455

• Message text: Table &1 is not allowed as a reference table

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message K6455 - Table &1 is not allowed as a reference table ?

  The SAP error message K6455, which states "Table &1 is not allowed as a reference table," typically occurs in the context of controlling (CO) or financial accounting (FI) when you are trying to create or modify a table that is not permitted to be used as a reference table in the system.
  Cause:
  
  Table Restrictions: The table you are trying to use as a reference table is not defined in the system as a valid reference table. This could be due to the table's configuration or its role in the SAP data model.
  Data Model Constraints: Certain tables are restricted from being used as reference tables due to their structure, purpose, or the way they interact with other tables in the SAP system.
  Custom Development: If you are working with custom tables or modifications, the error may arise from incorrect settings or definitions in the custom development.
  
  Solution:
  
  Check Table Definition: Verify the definition of the table you are trying to use. Ensure that it is intended to be used as a reference table. You can do this by checking the table's attributes in the Data Dictionary (transaction SE11).
  Use Valid Reference Tables: If the table is not allowed, you will need to use a different table that is defined as a valid reference table. Consult the SAP documentation or your system administrator for a list of valid reference tables.
  Review Custom Code: If this error arises from custom code or enhancements, review the code to ensure that it adheres to SAP's guidelines for using reference tables. You may need to modify the code to use a different table.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on how to resolve it.
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance, especially if this is impacting critical business processes.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the table and its usage.
  Documentation: Review SAP documentation related to the specific module you are working with (e.g., CO, FI) for more context on reference tables and their usage.
  Community Forums: Consider checking SAP Community forums or other SAP-related discussion platforms for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the K6455 error and implement a suitable solution.