How To Fix G00056 - Task group &1: The last task &2 cannot have successor tasks

G00056 - Overview

• Message type: E = Error

• Message class: G00 - SAP Consolidation

• Message number: 056

• Message text: Task group &1: The last task &2 cannot have successor tasks

What causes this issue?

In task group &v1&, you have labelled task &v2& as the last task.
However this task has no successor and therefore cannot be used as the
last task.
&v3& is such a succession task.

System Response

Processing terminated

How to fix this error?

Change the Customizing of task groups regarding the predecessor
relationship or regarding the indicator 'Last Task'.

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.

G00056 - Details

• The SAP error message G00056 indicates that there is an issue with the task group configuration in a project or process. Specifically, it states that the last task in a task group cannot have any successor tasks. This is a logical constraint in project management, as the last task is typically considered the endpoint of that task group.
  
  Cause:
  The error occurs when:
  
  You are trying to assign a successor task to the last task in a task group.
  The system recognizes that the last task should not have any subsequent tasks, as it signifies the completion of that task group.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Task Group Configuration: Check the configuration of the task group to ensure that the last task is correctly defined. Make sure that it is indeed the final task in the sequence.
  
  
  Remove Successor Assignment: If you have mistakenly assigned a successor task to the last