How To Fix /SAPAPO/DMRES053 - End of shift &1 is earlier than end of shift &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 053

• Message text: End of shift &1 is earlier than end of shift &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES053 - End of shift &1 is earlier than end of shift &2 ?

  The SAP error message /SAPAPO/DMRES053 indicates that there is a conflict in the scheduling of shifts in the Advanced Planning and Optimization (APO) module. Specifically, the error states that the end time of one shift (&1) is earlier than the end time of another shift (&2). This typically occurs when there are overlapping or incorrectly defined shifts in the planning process.
  Cause:
  
  Shift Overlap: The end time of one shift overlaps with the start time of another shift, which is not allowed in the scheduling logic.
  Incorrect Shift Definitions: The shifts may have been defined incorrectly in the system, leading to logical inconsistencies.
  Data Entry Errors: Manual entry errors when defining shifts or scheduling resources can lead to this issue.
  Configuration Issues: There may be issues in the configuration of the shift definitions in the APO system.
  
  Solution:
  
  Review Shift Definitions: Check the definitions of the shifts in the system. Ensure that the end time of each shift is correctly defined and does not overlap with other shifts.
  Adjust Shift Timings: If there are overlapping shifts, adjust the timings so that the end time of one shift is not earlier than the end time of another shift.
  Check Resource Scheduling: Review the scheduling of resources to ensure that they are not assigned to multiple shifts that conflict with each other.
  Data Validation: Validate the data entries for shifts and resources to ensure there are no errors.
  Consult Documentation: Refer to SAP documentation or guidelines for setting up shifts and scheduling in APO to ensure compliance with best practices.
  Testing: After making adjustments, test the scheduling process to ensure that the error does not reoccur.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/SDP94 (for planning board) or /SAPAPO/MC90 (for resource planning) to review and adjust shift settings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  User Forums: Consider visiting SAP community forums or user groups for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and ensure that your shift scheduling is correctly configured in the SAP APO system.