How To Fix /PLMI/ECN_SP005 - Cannot expand object type task list for change number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/ECN_SP -

• Message number: 005

• Message text: Cannot expand object type task list for change number &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/ECN_SP005 - Cannot expand object type task list for change number &1 ?

  The SAP error message /PLMI/ECN_SP005 Cannot expand object type task list for change number &1 typically occurs in the context of Engineering Change Management (ECM) within SAP. This error indicates that the system is unable to retrieve or expand the task list associated with a specific change number.
  Causes:
  
  Missing Task List: The task list associated with the change number may not exist or may not be properly defined in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the task list or the change number.
  Incorrect Change Number: The change number provided may be incorrect or not properly formatted.
  Data Inconsistencies: There may be inconsistencies or corruption in the data related to the change number or task list.
  Configuration Issues: There may be configuration issues in the ECM module that prevent the task list from being expanded.
  
  Solutions:
  
  Verify Change Number: Check if the change number you are using is correct and exists in the system. You can do this by navigating to the relevant transaction (e.g., CC03 for displaying change numbers).
  Check Task List: Ensure that the task list associated with the change number is created and properly maintained. You can check this in the task list management transactions.
  Authorization Check: Ensure that the user has the necessary authorizations to access the change number and task list. You may need to consult with your SAP security team.
  Data Consistency Check: Run consistency checks or reports to identify any inconsistencies in the data related to the change number or task list.
  Consult Documentation: Review SAP documentation or notes related to the specific error message for any additional troubleshooting steps or patches that may be required.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a bug or a deeper system issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CC01 (Create Change Number), CC02 (Change Change Number), and CC03 (Display Change Number).
  SAP Notes: Search for SAP Notes related to the error message for any known issues or fixes.
  User Forums: Check SAP community forums or user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the error message /PLMI/ECN_SP005.