How To Fix IM159 - Partner type of the partner function entered is not allowed

IM159 - Overview

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 159

• Message text: Partner type of the partner function entered is not allowed

What causes this issue?

System Response

The system could not create debit lines.

How to fix this error?

For the system to create debit lines, you must define the PE (Person)
as the partner type of the partner function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IM159 - Partner type of the partner function entered is not allowed ?

  The SAP error message IM159 ("Partner type of the partner function entered is not allowed") typically occurs when there is a mismatch or misconfiguration in the partner functions and their corresponding partner types in the SAP system. This error is often encountered in scenarios involving sales orders, purchase orders, or other documents that require partner determination.
  
  Cause:
  
  Incorrect Partner Function Configuration: The partner function you are trying to use is not correctly configured to accept the partner type you are entering.
  Missing Partner Type: The partner type you are trying to assign to a partner function may not be defined in the system.
  Inconsistent Data: There may be inconsistencies in the master data or configuration settings related to partner functions and partner types.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to assign certain partner types to partner functions.
  
  
  Solution:
  
  
  Check Partner Function Configuration:
  
  Go to the configuration settings for partner determination (Transaction code: SPRO).
  Navigate