How To Fix DPR_CONFLICT_MANAGER021 - Value suggestion not possible; role type disables overlapping staffing

DPR_CONFLICT_MANAGER021 - Overview

• Message type: E = Error

• Message class: DPR_CONFLICT_MANAGER - Message for Conflict Management

• Message number: 021

• Message text: Value suggestion not possible; role type disables overlapping staffing

What causes this issue?

The role to which the conflict element belongs has been staffed with
multiple resources. However, the role type does not permit overlapping
staffing. For this reason, the system cannot suggest dates for the
staffing.

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?

Manually specify the new start and finish dates for the conflict
element. Make sure that the new timeframe of the conflict element does
not overlap with that of other staff assignments to the same role.

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_CONFLICT_MANAGER021 - Value suggestion not possible; role type disables overlapping staffing ?

  The SAP error message DPR_CONFLICT_MANAGER021 indicates that there is a conflict in staffing assignments due to the role type settings in the project management module. Specifically, this error occurs when the system detects that overlapping staffing is not allowed for a particular role type, and an attempt is being made to assign a resource to a time period that overlaps with an existing assignment.
  
  Cause:
  
  Role Type Configuration: The role type associated with the resource may be configured to disallow overlapping assignments. This is often set up to ensure that resources are not double-booked for the same time period.
  Existing Assignments: There may already be an existing assignment for the resource in the specified time frame, which conflicts with the new assignment you are trying to create.
  Project Settings: The project or task settings may have restrictions that prevent overlapping staffing for certain roles.
  
  
  Solution:
  
  Check Existing Assignments: Review the current assignments for the resource in