How To Fix /SAPAPO/CURTO017 - Op. &1 activity &2: The successor of the activity is the activity itself

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CURTO -

• Message number: 017

• Message text: Op. &1 activity &2: The successor of the activity is the activity itself

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CURTO017 - Op. &1 activity &2: The successor of the activity is the activity itself ?

  The SAP error message /SAPAPO/CURTO017 indicates a problem in the scheduling of activities within the SAP Advanced Planning and Optimization (APO) module. Specifically, the error states that the successor of the activity is the activity itself, which creates a circular dependency in the scheduling logic.
  Cause:
  This error typically arises when:
  
  Circular Dependency: An activity is incorrectly set up to depend on itself as a successor. This can happen due to misconfiguration in the activity's settings or during the planning process.
  Incorrect Activity Relationships: The relationships between activities (predecessors and successors) are not defined correctly, leading to a situation where an activity is trying to reference itself.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Activity Relationships:
  
  Go to the activity definition in the SAP APO system.
  Review the predecessor and successor relationships for the activity in question.
  Ensure that no activity is set as its own successor.
  
  
  
  Modify Activity Settings:
  
  If you find that the activity is incorrectly set as its own successor, modify the settings to remove this circular reference.
  Ensure that the successor activities are correctly defined and do not point back to the original activity.
  
  
  
  Re-evaluate Planning Parameters:
  
  Check the planning parameters and settings that might affect the scheduling of activities.
  Ensure that the planning version and other relevant settings are correctly configured.
  
  
  
  Test Changes:
  
  After making the necessary adjustments, re-run the planning process to see if the error persists.
  Monitor the system for any further issues related to activity scheduling.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/CTM (for Capable-to-Match) or /SAPAPO/SCM (for Supply Chain Management) to access the relevant planning areas and activities.
  Documentation: Refer to SAP documentation or help files for detailed information on activity scheduling and dependency management in APO.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on resolving this error.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.