How To Fix RL309 - Role type '&' used in more than one binary relationship type

RL309 - Overview

• Message type: E = Error

• Message class: RL - Messages of the Object Relationship Services

• Message number: 309

• Message text: Role type '&' used in more than one binary relationship 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RL309 - Role type '&' used in more than one binary relationship type ?

  The SAP error message RL309 indicates that a role type is being used in more than one binary relationship type within the context of the SAP system, particularly in the area of Business Partner (BP) or similar data modeling scenarios. This error typically arises when there is a conflict in the definition of relationships between different entities in the system.
  
  Cause:
  The error occurs when:
  
  A role type (which defines a specific function or responsibility of a business partner in a relationship) is assigned to multiple binary relationship types. 
  This can happen due to incorrect configuration or design in the relationship model, where the same role is not allowed to be reused across different relationship types.
  
  
  Solution:
  To resolve the RL309 error, you can take the following steps:
  
  
  Review Role Types: Check the role types defined in your system. Ensure that each role type is uniquely assigned to a single binary relationship type.
  
  
  Modify Relationship Definitions:
  
  Go to