How To Fix /SAPAPO/OM_ERROR2061 - Negative working time

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 061

• Message text: Negative working time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2061 - Negative working time ?

  The SAP error message /SAPAPO/OM_ERROR2061 indicates a "Negative working time" issue in the context of SAP Advanced Planning and Optimization (APO). This error typically arises when there is an attempt to schedule or plan activities that result in negative working time, which is not permissible in the system.
  Cause:
  
  Negative Time Intervals: The error usually occurs when the planned start and end times of a task or activity result in a negative duration. This can happen due to incorrect data entry or configuration settings.
  Calendar Settings: If the working time calendar is not set up correctly, it may lead to situations where the system calculates negative working time.
  Resource Availability: If resources are not available during the planned time, it may lead to scheduling conflicts that result in negative working time.
  Incorrect Time Zone Settings: Mismatches in time zone settings can also lead to incorrect time calculations.
  
  Solution:
  
  Check Time Intervals: Review the planned start and end times for the activities or tasks that are causing the error. Ensure that the end time is later than the start time.
  Review Working Time Calendar: Verify the working time calendar settings for the resources involved. Ensure that the calendar is correctly defined and that working hours are set appropriately.
  Resource Availability: Check the availability of resources during the planned time. Make sure that the resources are not scheduled for other tasks that would cause conflicts.
  Adjust Time Zone Settings: Ensure that the time zone settings in the system are correctly configured to avoid discrepancies in time calculations.
  Re-schedule Activities: If necessary, re-schedule the activities to ensure that they fall within the defined working hours and do not overlap in a way that creates negative time.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/OM to access the order management functions in APO.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration settings.
  Documentation: Refer to the SAP APO documentation for detailed information on working time calendars, resource planning, and scheduling.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.