How To Fix UCS0208 - The task sequence contains a recursion

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 208

• Message text: The task sequence contains a recursion

What causes this issue?

Two or more tasks have reciprocal references: The first task is defined
as a preceding task of the the second task and vice versa.

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?

Delete a preceding task.

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 UCS0208 - The task sequence contains a recursion ?

  The SAP error message UCS0208, which states "The task sequence contains a recursion," typically occurs in the context of workflow or task sequence definitions within SAP systems. This error indicates that there is a recursive call in the task sequence, meaning that a task is trying to call itself directly or indirectly, leading to an infinite loop.
  Cause:
  
  Recursive Task Definition: The most common cause is that a task is defined in such a way that it calls itself either directly or through a series of other tasks.
  Incorrect Workflow Configuration: If the workflow is not properly configured, it may inadvertently create a loop where tasks reference each other in a circular manner.
  Misconfigured Conditions: Conditions that lead to the execution of the same task multiple times can also cause this error.
  
  Solution:
  
  Review Task Sequence: Examine the task sequence to identify any tasks that may be calling themselves or creating a loop. Ensure that each task has a clear exit condition.
  Modify Workflow Logic: If you find a recursive call, modify the workflow logic to prevent the recursion. This may involve changing the sequence of tasks or adding conditions that break the loop.
  Use Debugging Tools: Utilize SAP debugging tools to trace the execution of the task sequence and identify where the recursion is occurring.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on proper task sequence configuration and best practices.
  Testing: After making changes, thoroughly test the workflow to ensure that the recursion error is resolved and that the workflow behaves as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Workflow Management: Familiarize yourself with SAP Workflow Management concepts, as understanding how tasks and workflows interact can help prevent such errors in the future.
  
  By following these steps, you should be able to identify and resolve the cause of the UCS0208 error in your SAP system.