How To Fix RY304 - RFC system error: Valuation; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 304

• Message text: RFC system error: Valuation; see long text

What causes this issue?

An error occurred during communication with an external system.

System Response

How to fix this error?

Check your entries in the relevant valuation rule (fields: target
system, function name).
Check your entries for the RFC destinations using transaction SM59.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY304 - RFC system error: Valuation; see long text ?

  The SAP error message RY304, which indicates an RFC (Remote Function Call) system error related to valuation, typically arises during processes that involve the valuation of materials, goods, or financial transactions. This error can occur in various contexts, such as during the execution of a transaction that involves material valuation or when interfacing with other systems.
  Cause:
  The RY304 error can be caused by several factors, including:
  
  Configuration Issues: Incorrect configuration in the valuation area or valuation class settings in the material master.
  Missing Data: Required data for valuation may be missing or incomplete, such as missing valuation types or incorrect settings in the material master.
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to perform the valuation.
  System Connectivity: Issues with the RFC connection between the SAP system and the external system or between different SAP systems.
  Data Consistency: Inconsistencies in the data, such as mismatched valuation classes or incorrect accounting entries.
  
  Solution:
  To resolve the RY304 error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify the configuration settings for the valuation area and valuation class in the material master.
  Ensure that the valuation types are correctly defined and assigned.
  
  
  
  Review Material Master Data:
  
  Check the material master records for completeness and accuracy. Ensure that all required fields are filled out correctly.
  Look for any inconsistencies in the valuation data.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to perform the valuation. Check the user roles and permissions.
  
  
  
  RFC Connection:
  
  Test the RFC connection to ensure that it is functioning correctly. You can use transaction SM59 to check the RFC destination settings.
  If there are issues with the connection, resolve them by checking network settings or consulting with your basis team.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the issue.
  Look for any related short dumps in transaction ST22 that might give more insight into the error.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific transaction or process you are working with for any known issues or additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  SAP Notes: Search for SAP Notes related to RY304 or valuation errors in the SAP Support Portal for any patches or updates that may address the issue.
  RFC Monitoring: Use transaction SM58 to monitor and analyze any failed RFC calls that may be related to the error.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the RY304 error in your SAP system.