How To Fix DPR_PARTICIPANT160 - Role '&1' exists more than once; merging was done with the first role

DPR_PARTICIPANT160 - Overview

• Message type: E = Error

• Message class: DPR_PARTICIPANT - Roles: Messages

• Message number: 160

• Message text: Role '&1' exists more than once; merging was done with the first role

What causes this issue?

While resolving a checklist reference the system tried to merge an
existing role with the corresponding role from the checklist reference.
This was done due to the fact, that the respective checkbox for using
the roles from the checklist reference was set by the user before
starting the resolving process. The system determined that there are
already existing more than one role with the same role type and
description in the current project.

System Response

The system has chosen the first role it found in the current project
with the same role type and description to merge it with the role from
the checklist reference.

How to fix this error?

Check your roles if they are still consistent. You should try to avoid
having roles with the same description and role type.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

DPR_PARTICIPANT160 - Details

• The SAP error message DPR_PARTICIPANT160 indicates that there is a duplicate role assignment in the context of project management, specifically within the SAP Project System (PS) or SAP Portfolio and Project Management (PPM) modules. This error occurs when a role is assigned to a participant more than once in a project, which can lead to confusion in role management and reporting.
  
  Cause:
  The primary cause of this error is the presence of multiple entries for the same role assigned to a participant in a project. This can happen due to:
  
  Manual entry errors where the same role is assigned multiple times.
  Data migration issues where duplicate roles were imported.
  System configuration or customization that allows for duplicate role assignments.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicate Roles:
  
  Go to the project in question and check the role assignments for the participant.
  Look for any duplicate entries for the same role.
  
  
  
  Remove Duplicates:
  
  If you find duplicate