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

RY311 - Overview

• 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