How To Fix DIWP1249 - Change number &4 is required to maintain task list header data

SAP Error Message - Details

• Message type: E = Error

• Message class: DIWP1 - Revision Planning

• Message number: 249

• Message text: Change number &4 is required to maintain task list header data

Self-Explanatory Message

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• What is the cause and solution for SAP error message DIWP1249 - Change number &4 is required to maintain task list header data ?

  The SAP error message DIWP1249 indicates that a change number is required to maintain task list header data. This typically occurs in the context of working with task lists in SAP, particularly in the areas of production planning or maintenance.
  Cause:
  The error arises when you attempt to make changes to the header data of a task list without specifying a change number. Change numbers are used in SAP to track changes to master data and ensure that modifications are controlled and documented. This is particularly important in environments where strict version control is necessary, such as in engineering or manufacturing.
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Specify a Change Number: When you are in the task list maintenance screen, look for a field where you can enter a change number. This is usually a mandatory field when making changes to the task list header.
  
  
  Create a Change Number: If you do not have a change number available, you may need to create one. This can typically be done through the transaction code CNO1 (Create Change Number) or by navigating to the relevant area in your SAP system where change numbers are managed.
  
  
  Use the Change Number: Once you have a valid change number, enter it in the appropriate field and proceed with your changes to the task list header.
  
  
  Check Authorizations: Ensure that you have the necessary authorizations to create and use change numbers. If you do not have the required permissions, contact your SAP administrator.
  
  
  Consult Documentation: If you are unsure about the process or the specific requirements for your organization, refer to your internal documentation or consult with your SAP support team.
  
  
  Related Information:
  
  Change Management: Understanding how change management works in SAP can help you navigate similar issues in the future. Familiarize yourself with the concepts of change numbers, change documents, and the overall change management process in your organization.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CNO1 (Create Change Number), CNO2 (Change Change Number), and CNO3 (Display Change Number) for managing change numbers.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message, as there may be known issues or enhancements that could affect your situation.
  
  By following these steps, you should be able to resolve the DIWP1249 error and successfully maintain the task list header data.