How To Fix CI331 - General task list &1 &2 is not valid throughout the period from &3 to &4

SAP Error Message - Details

• Message type: E = Error

• Message class: CI - Plant maintenance task list messages

• Message number: 331

• Message text: General task list &1 &2 is not valid throughout the period from &3 to &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CI331 - General task list &1 &2 is not valid throughout the period from &3 to &4 ?

  The SAP error message CI331 indicates that a general task list (GTL) is not valid for the specified period. This error typically arises in the context of production planning or maintenance planning when the system is trying to use a task list that has not been defined or is not valid for the given time frame.
  Cause:
  
  Invalid Task List: The task list specified in the error message is either not created or has been deleted.
  Date Range Issues: The validity period of the task list does not cover the dates specified in the error message. This could happen if the task list was created with specific start and end dates that do not include the period in question.
  Status of Task List: The task list may be in a status that does not allow it to be used (e.g., it may be marked as inactive).
  Configuration Issues: There may be configuration issues in the system that prevent the task list from being recognized as valid.
  
  Solution:
  
  
  Check Task List Validity:
  
  Go to the transaction code for viewing task lists (e.g., CA03 for general task lists).
  Enter the task list number and check the validity dates to ensure they cover the period from &3 to &4.
  
  
  
  Adjust Validity Dates:
  
  If the task list is valid but the dates are incorrect, you may need to adjust the validity dates to include the required period.
  
  
  
  Create or Reactivate Task List:
  
  If the task list does not exist or has been deleted, you may need to create a new task list or reactivate an existing one.
  
  
  
  Check Task List Status:
  
  Ensure that the task list is in an active status and is not marked for deletion or inactive.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or configuration settings that may affect the task list's validity.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CA03: Display Task List
  CA02: Change Task List
  CA01: Create Task List
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to task lists and their validity.
  User Authorization: Ensure that you have the necessary authorizations to view and modify task lists in the system.
  
  By following these steps, you should be able to identify the cause of the CI331 error and implement a solution to resolve it.