How To Fix B1019 - Error when calling asynchronous Remote Function Call

B1019 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 019

• Message text: Error when calling asynchronous Remote Function Call

What causes this issue?

An error occurred when calling up a Remote Function Call on another
system.

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?

The causes possible are:
The partner system is not active.
You can test, in the definition of an RFC destination, whether it is
technically possible to reach it.
The function module called was not known in the partner system.
Consult your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message B1019 - Error when calling asynchronous Remote Function Call ?

  The SAP error message B1019, which indicates an error when calling an asynchronous Remote Function Call (RFC), can arise from various issues. Below are some common causes, potential solutions, and related information:
  Causes of B1019 Error
  
  
  Network Issues: Problems with the network connection between the systems can lead to this error. This includes issues like timeouts, disconnections, or network configuration problems.
  
  
  RFC Destination Configuration: The RFC destination may not be configured correctly. This includes incorrect parameters, such as the target system's IP address, port, or user credentials.
  
  
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the function module.
  
  
  Function Module Issues: The function module being called may not be available in the target system, or it may have been changed or deleted.
  
  
  System Load: High load on the target system can lead to timeouts or failures in processing the RFC call.
  
  
  Version Compatibility: Incompatibility between the SAP