How To Fix CMM_TRM_DEND023 - The entries for key dates &1 and &2 must not overlap

SAP Error Message - Details

• Message type: E = Error

• Message class: CMM_TRM_DEND - CMM TRM EoD processing alignment

• Message number: 023

• Message text: The entries for key dates &1 and &2 must not overlap

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMM_TRM_DEND023 - The entries for key dates &1 and &2 must not overlap ?

  The SAP error message CMM_TRM_DEND023 indicates that there is an issue with overlapping key dates in a certain configuration or transaction. This error typically arises in the context of project management, resource planning, or similar modules where key dates are defined for activities, milestones, or resources.
  Cause:
  The error occurs when you attempt to create or modify entries that have overlapping key dates. For example, if you have two activities or milestones that are scheduled to start or end on the same date, or if the duration of one activity overlaps with another, SAP will raise this error to prevent conflicts in scheduling.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Key Dates: Check the key dates for the entries you are trying to create or modify. Ensure that there are no overlaps between the start and end dates of different activities or milestones.
  
  
  Adjust Dates: If you find overlapping dates, adjust the start and/or end dates of the conflicting entries so that they do not overlap. This may involve rescheduling activities or milestones.
  
  
  Check Dependencies: If the entries are dependent on each other, ensure that the dependencies are correctly defined and that the dates reflect the logical sequence of activities.
  
  
  Consult Documentation: Refer to the relevant SAP documentation or help resources for guidance on managing key dates and understanding the specific context of the error.
  
  
  Test Changes: After making adjustments, try to save or execute the transaction again to see if the error persists.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be working in transactions related to project management (e.g., CJ20N for project planning) or resource management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific configurations or updates may be required.
  User Roles and Authorizations: Ensure that you have the necessary permissions to make changes to the entries in question, as restrictions may also lead to errors.
  
  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.