How To Fix POC_MODEL053 - Inconsistent combination of activity/task and determiner activity/task

SAP Error Message - Details

• Message type: E = Error

• Message class: POC_MODEL - Process Model Related Messages

• Message number: 053

• Message text: Inconsistent combination of activity/task and determiner activity/task

What causes this issue?

When a Count KPI is defined, the combination of Activity/ Task and
Determiner Activity/ Task need to be consistent.
If the "Activity ID" field is maintained in the group "Activity/ Task",
then in the "Determiner Activity" group it is not possible to maintain
"Determiner BO Type" and/or "Determiner TaskType". Vice versa also not
possible.

System Response

The system displays an error message.

How to fix this error?

Remove the inconsistency before saving the KPI definition.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message POC_MODEL053 - Inconsistent combination of activity/task and determiner activity/task ?

  The SAP error message POC_MODEL053, which states "Inconsistent combination of activity/task and determiner activity/task," typically occurs in the context of Project System (PS) or Project Management (PM) modules when there is a mismatch in the configuration of activities or tasks within a project.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Inconsistent Task Relationships: The relationships between tasks or activities in a project may not be properly defined. For example, a task may be set as dependent on another task that is not correctly configured as a predecessor or successor.
  
  
  Incorrect Activity Types: The activity types assigned to tasks may not be compatible with the expected configuration. For instance, a task may be defined as a milestone when it should be a regular activity.
  
  
  Missing Determiner Activities: If a task is expected to have a determiner activity (an activity that determines the start or end of another activity) but does not,