How To Fix XT646 - Communication system &2 of &1 deleted

XT646 - Overview

• Message type: E = Error

• Message class: XT - Transport Management System

• Message number: 646

• Message text: Communication system &2 of &1 deleted

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 XT646 - Communication system &2 of &1 deleted ?

  The SAP error message XT646 ("Communication system &2 of &1 deleted") typically indicates that a communication system (like a logical system or a communication partner) has been deleted in the SAP system. This can occur in various contexts, such as when working with ALE (Application Link Enabling), IDocs, or other integration scenarios.
  
  Cause:
  
  Deletion of Logical System: The logical system associated with the communication setup has been deleted.
  Configuration Changes: Changes in the configuration settings, such as the deletion of a communication partner or logical system in transaction codes like SALE, BD54, or WE20.
  Transport Issues: If the configuration was transported from one system to another, and the target system does not have the corresponding logical system or communication partner defined.
  
  
  Solution:
  
  
  Check Configuration: Verify the configuration in the relevant transactions:
  
  Use transaction SALE to check the logical systems and their assignments.
  Use transaction BD54 to check the logical system settings.
  Use transaction WE20 to check the partner profiles