How To Fix CR391 - Shift start & is after shift end &

SAP Error Message - Details

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 391

• Message text: Shift start & is after shift end &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CR391 - Shift start & is after shift end & ?

  The SAP error message CR391 ("Shift start & is after shift end &") typically occurs in the context of time management or shift planning within the SAP system. This error indicates that the start time of a shift is set to a time that is later than the end time of the same shift, which is logically incorrect.
  Cause:
  
  Incorrect Shift Timing: The most common cause is that the shift start time has been entered incorrectly, resulting in a situation where the start time is after the end time.
  Configuration Issues: There may be issues in the configuration of shift definitions in the system.
  Data Entry Errors: Manual data entry errors when creating or modifying shifts can lead to this issue.
  
  Solution:
  
  Check Shift Times: Review the shift start and end times in the relevant configuration or master data. Ensure that the start time is earlier than the end time.
  Adjust Shift Definitions: If the shift definitions are incorrect, navigate to the relevant configuration settings in SAP (e.g., transaction codes like OOSB for shift definitions) and correct the timings.
  Data Validation: Implement validation checks during data entry to prevent this error from occurring in the future.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on configuring shifts correctly.
  Testing: After making changes, test the configuration by creating a new shift or modifying an existing one to ensure the error does not recur.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OOSB (Shift Definition) or PT01 (Time Evaluation) for managing shifts.
  SAP Notes: Check SAP Notes for any known issues or patches related to shift management.
  User Training: Ensure that users involved in shift planning are trained on how to correctly enter shift times to minimize errors.
  
  If the problem persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in time management and shift planning.