How To Fix LK002 - No definition of communication relationship for message type &

LK002 - Overview

• Message type: E = Error

• Message class: LK - WM -> SUB connection messages

• Message number: 002

• Message text: No definition of communication relationship for message type &

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 LK002 - No definition of communication relationship for message type & ?

  The SAP error message LK002 indicates that there is no definition of a communication relationship for the specified message type. This error typically occurs in the context of Electronic Data Interchange (EDI) or when dealing with IDocs (Intermediate Documents) in SAP.
  
  Cause:
  The error can arise due to several reasons:
  
  Missing Communication Relationship: The communication relationship for the specified message type has not been defined in the system.
  Incorrect Configuration: The configuration settings for the message type or the partner profile may be incorrect or incomplete.
  Partner Profile Issues: The partner profile for the sender or receiver may not be set up correctly, or the message type may not be included in the profile.
  Message Type Not Supported: The message type being used may not be supported or recognized by the system.
  
  
  Solution:
  To resolve the LK002 error, you can follow these steps:
  
  
  Check Communication Relationships:
  
  Go to transaction code WE20 (Partner Profiles).
  Verify that the partner profile for the relevant