How To Fix UCS0202 - Task &2 cannot precede task &1

UCS0202 - Overview

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 202

• Message text: Task &2 cannot precede task &1

What causes this issue?

The system requires a mandatory sequence of task categories.
Task &V1& belongs to category &V3&, and the preceding task &V2& belongs
to category &V4&. This sequence of categories is not permitted.

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?

Change the preceding task definition.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UCS0202 - Details

• The SAP error message UCS0202, which states "Task &2 cannot precede task &1," typically occurs in the context of project management or workflow processes within SAP. This error indicates that there is a dependency or sequencing issue between two tasks in a project or workflow.
  
  Cause:
  The error arises when the system detects that a task (denoted as &2) is scheduled to start or be executed before another task (denoted as &1) that it is dependent on. This can happen due to:
  
  Incorrect Task Sequencing: The tasks have been scheduled in a way that violates the defined dependencies.
  Missing Dependencies: The dependency relationships between tasks have not been properly defined in the project or workflow.
  Manual Changes: Manual adjustments to task dates or sequences that do not respect the logical order of execution.
  
  
  Solution:
  To resolve the UCS0202 error, you can take the following steps:
  
  
  Check Task Dependencies:
  
  Review the dependencies between the tasks in the project or workflow.