How To Fix /SAPAPO/DMRES592 - Start of shift cannot be set (Note 935672)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 592

• Message text: Start of shift cannot be set (Note 935672)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES592 - Start of shift cannot be set (Note 935672) ?

  The SAP error message /SAPAPO/DMRES592 indicates that the start of a shift cannot be set in the system. This error is typically related to the configuration of shifts in the SAP Advanced Planning and Optimization (APO) module, particularly in the context of production planning and scheduling.
  Cause:
  The error can occur due to several reasons, including:
  
  
  Shift Configuration Issues: The shift may not be properly defined in the system. This includes incorrect start and end times, overlapping shifts, or missing shifts in the configuration.
  
  
  Resource Availability: The resource (e.g., machine or labor) may not be available during the specified shift time, leading to conflicts in scheduling.
  
  
  Planning Version Issues: The planning version being used may not be set up correctly, or it may not allow for the changes you are trying to make.
  
  
  Time Period Restrictions: There may be restrictions on the time periods for which shifts can be defined, such as past dates or dates that are outside the planning horizon.
  
  
  User Authorizations: The user may not have the necessary authorizations to make changes to the shift settings.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Shift Configuration:
  
  Go to the shift definition in the SAP system and verify that the shifts are correctly defined. Ensure that there are no overlaps and that the start and end times are valid.
  
  
  
  Verify Resource Availability:
  
  Check the availability of the resources assigned to the shift. Ensure that they are not already scheduled for other tasks during the same time.
  
  
  
  Review Planning Version:
  
  Ensure that you are using the correct planning version and that it is configured to allow changes to shifts.
  
  
  
  Adjust Time Periods:
  
  Make sure that the time period you are trying to set the shift for is valid and within the allowed planning horizon.
  
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to modify shift settings. If not, contact your system administrator to grant the required permissions.
  
  
  
  Consult SAP Notes:
  
  Refer to SAP Note 935672 for additional details and specific recommendations related to this error message. SAP Notes often provide insights into known issues and their resolutions.
  
  
  
  Related Information:
  
  SAP APO Documentation: Review the official SAP documentation for APO, particularly sections related to shift planning and resource management.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Check system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.