How To Fix B1202 - Sending system must be different to receiving system

B1202 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 202

• Message text: Sending system must be different to receiving system

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message B1202 - Sending system must be different to receiving system ?

  The SAP error message B1202, which states "Sending system must be different to receiving system," typically occurs in scenarios involving data transfer or communication between different SAP systems, such as during the execution of IDocs, RFC calls, or other integration processes. This error indicates that the system is trying to send data to itself, which is not allowed in the context of the operation being performed.
  
  Cause:
  
  Configuration Issue: The sending and receiving systems are incorrectly configured to point to the same system.
  Logical System Settings: The logical system names in the configuration might be set to the same value for both sending and receiving systems.
  IDoc Processing: When processing IDocs, if the sender and receiver are set to the same logical system, this error will occur.
  RFC Destination: If an RFC destination is incorrectly set to point to the same system for both sending and receiving, this error can arise.
  
  
  Solution:
  
  
  Check Logical System Configuration:
  
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