How To Fix B1127 - No partner profiles (message control) defined

B1127 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 127

• Message text: No partner profiles (message control) defined

What causes this issue?

No IDOC partner profiles have been created for the message control for
for application &v1&, condition key &v2& and change message
'&v3&' with partner type 'LS' and partner role ' '.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please create the partner profiles for the logical system that should
contain the IDOC. You can either generate them from the ALE model or
create them manually.

Error message extract from SAP system. Copyright SAP SE.

B1127 - Details

• The SAP error message B1127, which states "No partner profiles (message control) defined," typically occurs in the context of Electronic Data Interchange (EDI) or other forms of message communication between systems. This error indicates that the system cannot find the necessary partner profiles to process the message.
  
  Cause:
  
  Missing Partner Profiles: The most common cause is that the partner profiles for the specific communication type (e.g., EDI, ALE) have not been defined in the system.
  Incorrect Configuration: The partner profiles may be incorrectly configured or not assigned to the relevant message type.
  Message Type Not Supported: The message type being processed may not have a corresponding partner profile set up.
  Transport Layer Issues: If the system is set up to communicate with external systems, there may be issues with the transport layer configuration.
  
  
  Solution:
  
  
  Define Partner Profiles:
  
  Go to transaction code WE20 (for EDI) or BD64 (for ALE).
  Check if the partner profile for the relevant partner (e.g., vendor,