How To Fix DPR_PARTICIPANT122 - Start and finish of the periods do not match assignment type &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DPR_PARTICIPANT - Roles: Messages

• Message number: 122

• Message text: Start and finish of the periods do not match assignment type &1

Self-Explanatory Message

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• What is the cause and solution for SAP error message DPR_PARTICIPANT122 - Start and finish of the periods do not match assignment type &1 ?

  The SAP error message DPR_PARTICIPANT122 indicates that there is a mismatch between the start and finish dates of a period and the assignment type in a project or task within the SAP Project Management module. This error typically arises when the dates defined for a specific assignment do not align with the expected periods for that assignment type.
  Cause:
  
  Date Mismatch: The start and finish dates of the assignment do not fall within the defined periods for the assignment type.
  Assignment Type Configuration: The assignment type may have specific rules or configurations that dictate valid date ranges, and the current assignment does not comply with these rules.
  Project Structure: The project structure may have been altered, leading to inconsistencies in the date assignments.
  Incorrect Period Settings: The periods defined in the project may not be correctly set up or may have been changed after the assignment was created.
  
  Solution:
  
  Check Assignment Dates: Review the start and finish dates of the assignment that is causing the error. Ensure that they fall within the valid periods for the assignment type.
  Adjust Periods: If necessary, adjust the periods defined for the assignment type to accommodate the dates of the assignment.
  Review Assignment Type Configuration: Check the configuration of the assignment type to ensure it allows for the specified date range. You may need to consult with your SAP administrator or project manager for this.
  Reassign or Modify: If the assignment cannot be adjusted to fit the required periods, consider reassigning the task or modifying the project structure to resolve the conflict.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing assignment types and periods.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CJ20N (Project Builder) or CJ02 (Change Project) to review and modify project assignments.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles: Ensure that you have the necessary permissions to make changes to project assignments and periods.
  Testing Changes: After making adjustments, test the changes in a development or test environment before applying them to production to avoid further issues.
  
  If the problem persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.