How To Fix TFC0042 - Source and target task list & with key date & are identical

SAP Error Message - Details

• Message type: E = Error

• Message class: TFC0 - Messages in FC

• Message number: 042

• Message text: Source and target task list & with key date & are identical

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TFC0042 - Source and target task list & with key date & are identical ?

  The SAP error message TFC0042 indicates that there is an issue with the source and target task lists being identical for a specific key date. This typically occurs during the process of copying or transferring task lists in SAP, particularly in the context of project management or production planning.
  Cause:
  The error arises when the system detects that the source task list and the target task list are the same for the specified key date. This can happen due to:
  
  Incorrect Selection: The user may have inadvertently selected the same task list for both the source and target.
  Data Entry Error: There may have been a mistake in entering the key date or selecting the task lists.
  System Configuration: There could be a configuration issue in the system that is causing the task lists to be treated as identical.
  
  Solution:
  To resolve the TFC0042 error, you can take the following steps:
  
  
  Verify Task Lists: Check the source and target task lists to ensure they are indeed different. You can do this by reviewing the task list details in the SAP system.
  
  
  Change Selection: If you find that the source and target task lists are the same, select a different target task list that is not identical to the source.
  
  
  Check Key Date: Ensure that the key date you are using is correct and relevant to the task lists you are working with.
  
  
  Review Configuration: If the issue persists, review the configuration settings related to task lists in your SAP system. You may need to consult with your SAP Basis or configuration team.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on task list management and error handling.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as C223 (for task list management) or C220 (for displaying task lists).
  SAP Notes: Check for any SAP Notes related to TFC0042 for specific patches or updates that may address this issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.