How To Fix /SAPPO/ACR102 - &1: RFC dialog &2 refers to system &3, however, it must refer to &4

/SAPPO/ACR102 - Overview

• Message type: E = Error

• Message class: /SAPPO/ACR -

• Message number: 102

• Message text: &1: RFC dialog &2 refers to system &3, however, it must refer to &4

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 /SAPPO/ACR102 - &1: RFC dialog &2 refers to system &3, however, it must refer to &4 ?

  The SAP error message /SAPPO/ACR102 indicates a mismatch in the RFC (Remote Function Call) dialog configuration. Specifically, it suggests that the RFC dialog is referring to an incorrect system. The message format is as follows:
  /SAPPO/ACR102 &1: RFC dialog &2 refers to system &3, however, it must refer to &4.
  
  Cause:
  This error typically occurs when there is a configuration issue in the RFC destination settings. The RFC dialog (&2) is trying to connect to a system (&3) that is not the expected system (&4). This can happen due to:
  
  Incorrect configuration of the RFC destination in the SAP system.
  Changes in the system landscape that have not been updated in the RFC settings.
  Misalignment between the expected and actual system identifiers.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that corresponds to the dialog mentioned in the error message (&2).
  Verify the target