How To Fix PO559 - RFC problems

PO559 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 559

• Message text: RFC problems

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message PO559 - RFC problems ?

  The SAP error message PO559 typically indicates an issue related to Remote Function Call (RFC) communication between systems. This error can occur in various scenarios, such as when trying to execute a remote function module or when there are issues with the connection between the SAP systems.
  Cause of PO559 RFC Problems:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  Configuration Errors: Incorrect configuration of RFC destinations in the SAP system can lead to this error. This includes issues with the RFC destination settings in transaction SM59.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the function module.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Timeouts: The RFC call may be timing out due to long processing times or heavy load on the system.
  
  Solutions:
  
  Check Network Connectivity: Ensure