How To Fix S03110 - Error during RFC call; could not convert parameters to &1

S03110 - Overview

• Message type: E = Error

• Message class: S03 - Messages for Enjoy TCC Monitors, July 20, 1999

• Message number: 110

• Message text: Error during RFC call; could not convert parameters to &1

What causes this issue?

You can change online parameters in the workload monitor during the
runtime. This change failed due to an error during the RFC call of the
corresponding instance. The connection could not be created. The
selected instance is possibly currently inactive, in which case, it is
not possible to create a connection.

System Response

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

How to fix this error?

Repeat the action. Check whether the instance is active. If the error
persists, check the RFC connection to the affected instance with
transaction <DS:TRAN.SM59>SM59</> (Display and Maintenance of RFC
Connections).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S03110 - Error during RFC call; could not convert parameters to &1 ?

  The SAP error message S03110, which states "Error during RFC call; could not convert parameters to &1," typically occurs during Remote Function Call (RFC) operations when there is an issue with the data types or structures being passed between systems. This error can arise due to various reasons, including:
  Causes:
  
  
  Data Type Mismatch: The parameters being passed in the RFC call do not match the expected data types in the target function module. For example, if a string is expected but an integer is provided, this error may occur.
  
  
  Structure Changes: If the structure of the data being sent has changed (e.g., fields added or removed) and the calling program has not been updated accordingly, this can lead to conversion issues.
  
  
  Encoding Issues: If there are character encoding mismatches between the systems (e.g., one system using UTF-8 and another using a different encoding), this can cause conversion errors.
  
  
  Null or Empty Values: Passing null or