How To Fix B1131 - Wrong partner type &

B1131 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 131

• Message text: Wrong partner type &

What causes this issue?

The message record of the message control contains a partner role with
a partner type &v1& that cannot be used here. Only the 'KU' and 'LI'
partner types are allowed.

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 use a partner role with an allowed partner type.

Error message extract from SAP system. Copyright SAP SE.

B1131 - Details

• The SAP error message B1131 ("Wrong partner type &") typically occurs in the context of business partner (BP) management or when dealing with partner functions in various SAP modules, such as Sales and Distribution (SD) or Customer Relationship Management (CRM). This error indicates that the system has encountered an unexpected or incorrect partner type in a transaction or configuration.
  
  Cause:
  
  Incorrect Partner Type: The partner type specified in the transaction does not match the expected partner type defined in the system. For example, if the system expects a customer but receives a vendor or another partner type.
  
  Configuration Issues: The partner determination procedure may not be set up correctly, leading to mismatches in expected partner types.
  Data Entry Errors: Manual entry errors when specifying partner types in transactions can lead to this error.
  Missing Partner Functions: The required partner functions may not be assigned to the business partner or may be incorrectly configured.
  
  
  Solution:
  
  Check Partner Type: