How To Fix >9404 - Category &1 is not a valid value for interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: >9 - Messages for TAS

• Message number: 404

• Message text: Category &1 is not a valid value for interface &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.

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 >9404 - Category &1 is not a valid value for interface &2 ?

  The SAP error message "9404 Category &1 is not a valid value for interface &2" typically indicates that there is an issue with the configuration or data being used in a specific interface within the SAP system. This error can occur in various contexts, such as during data processing, interface configuration, or when executing certain transactions.
  Cause:
  
  Invalid Category Value: The value provided for the category (represented by &1) does not match any of the valid values defined for the specified interface (represented by &2). This could be due to a typo, incorrect data entry, or a mismatch in the expected values.
  Configuration Issues: The interface may not be properly configured, or the category values may not have been defined correctly in the system.
  Data Consistency: There may be inconsistencies in the data being processed, such as missing or incorrect entries in related tables.
  
  Solution:
  
  Check Valid Values: Verify the valid category values for the specified interface. This can usually be done by checking the configuration settings or documentation related to the interface.
  Correct Data Entry: If the category value is incorrect, update it to a valid value. Ensure that any data being inputted into the system adheres to the expected formats and values.
  Review Configuration: If you have access, review the configuration settings for the interface to ensure that all necessary values and categories are defined correctly.
  Consult Documentation: Refer to SAP documentation or help resources for the specific interface to understand the expected values and any constraints that may apply.
  Debugging: If the issue persists, consider using debugging tools or transaction codes (like SE80 or SE37) to trace the execution and identify where the invalid value is being set or processed.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to look into transaction codes like SE80 (Object Navigator), SE37 (Function Module), or SE11 (Data Dictionary) to investigate the relevant objects and configurations.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and the solutions they implemented.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further assistance.