How To Fix DPR_PARTICIPANT144 - Cannot create a substitute for resource (user &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: DPR_PARTICIPANT - Roles: Messages

• Message number: 144

• Message text: Cannot create a substitute for resource (user &1)

What causes this issue?

This resource with user ID &V1& is assigned to a role. The role or the
resource itself is not assigned to a task of this project as role-task
assignment or as responsible.

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?

You can enter a substitute for each project in which one of the
following applies:
You are the project lead.
The user requiring a substitute is assigned to the project either by
means of a responsible role or resource or by means of a role or
resource.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DPR_PARTICIPANT144 - Cannot create a substitute for resource (user &1) ?

  The SAP error message DPR_PARTICIPANT144 indicates that the system is unable to create a substitute for a specific resource (user) in the context of project management or resource management. This error typically arises in the SAP Project System (PS) or SAP Portfolio and Project Management (PPM) modules.
  Cause:
  The error can occur due to several reasons, including:
  
  User Not Defined as a Resource: The user for whom you are trying to create a substitute may not be defined as a resource in the system.
  Invalid Dates: The dates specified for the substitution may not be valid or may fall outside the allowed range.
  Resource Assignment Issues: The user may already have a substitute assigned, or there may be restrictions on assigning substitutes for that user.
  Authorization Issues: The user attempting to create the substitute may not have the necessary authorizations to perform this action.
  System Configuration: There may be configuration settings in the system that prevent the creation of substitutes for certain users or roles.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check User Definition: Ensure that the user is defined as a resource in the system. You can do this by checking the resource management settings.
  Verify Dates: Make sure that the start and end dates for the substitution are valid and within the acceptable range.
  Review Existing Substitutes: Check if there is already a substitute assigned to the user. If so, you may need to remove the existing substitute before creating a new one.
  Check Authorizations: Ensure that the user has the necessary authorizations to create substitutes. You may need to consult with your SAP security team.
  Consult Configuration Settings: Review the configuration settings related to resource management and substitutes to ensure that there are no restrictions in place.
  SAP Notes and Documentation: Check for any relevant SAP Notes or documentation that may provide additional insights or solutions related to this error.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CATS (Cross-Application Time Sheet) or CJ20N (Project Builder) to manage resources and substitutes.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  User Training: Ensure that users are trained on how to properly create substitutes and manage resources within the SAP system.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.