How To Fix RY311 - RFC system error (variance/covariance matching): &

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 311

• Message text: RFC system error (variance/covariance matching): &

What causes this issue?

An error occurred during communication with an external system.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Check your entries in the selected valuation rule: Fields: target
system, function name
Check your entries for 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 RY311 - RFC system error (variance/covariance matching): & ?

  The SAP error message RY311, which indicates an RFC (Remote Function Call) system error related to variance/covariance matching, typically arises in the context of SAP's financial or controlling modules. This error can occur due to various reasons, including configuration issues, data inconsistencies, or problems with the RFC connection itself.
  Causes of RY311 Error
  
  RFC Connection Issues: The RFC connection between the systems may not be properly configured or may be down.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as mismatched keys or missing entries in the database.
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to perform the operation.
  Configuration Errors: Incorrect settings in the controlling or financial modules can lead to this error.
  System Performance: High load on the system or network issues can cause timeouts or failures in the RFC calls.
  
  Solutions to RY311 Error
  
  
  Check RFC Connections:
  
  Go to transaction SM59 to check the status of the RFC connections. Ensure that the connections are correctly configured and active.
  Test the connection to ensure it is working properly.
  
  
  
  Review Data Consistency:
  
  Check the data being processed for any inconsistencies. This may involve reviewing the relevant tables and ensuring that all necessary entries exist.
  Use transaction codes like SE16 or SE11 to inspect the relevant database tables.
  
  
  
  Verify Authorizations:
  
  Ensure that the user has the necessary authorizations to execute the transaction. This can be checked in transaction SU53 after the error occurs.
  
  
  
  Configuration Review:
  
  Review the configuration settings in the controlling or financial modules. Ensure that all settings are correct and aligned with the business processes.
  
  
  
  System Performance:
  
  Monitor system performance and check for any network issues. If the system is under heavy load, consider optimizing performance or scheduling the job during off-peak hours.
  
  
  
  Check SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Consult SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), ST22 (Dump Analysis), and SLG1 (Application Log) to gather more information about the error.
  Documentation: Review SAP documentation related to the specific module you are working with, as it may provide insights into common issues and their resolutions.
  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 diagnose and resolve the RY311 error effectively.