How To Fix /SAPAPO/OM_ERROR2064 - Negative total time

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 064

• Message text: Negative total time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2064 - Negative total time ?

  The SAP error message /SAPAPO/OM_ERROR2064 with the description "Negative total time" typically occurs in the context of Advanced Planning and Optimization (APO) when there is an inconsistency in the time calculations for a planning object, such as a production order or a planned order. This error indicates that the total time calculated for a specific operation or process is negative, which is not valid in the context of scheduling and planning.
  Causes:
  
  Incorrect Time Data: The time data for operations, such as setup time, processing time, or teardown time, may have been incorrectly entered or configured, leading to a negative total time.
  Negative Duration: If any of the time components (like lead time, processing time, etc.) are set to negative values, it can result in a negative total time.
  Scheduling Conflicts: Conflicts in scheduling, such as overlapping operations or incorrect dependencies, can lead to negative time calculations.
  Data Inconsistencies: Inconsistencies in master data (like resources, work centers, or routing) can also lead to this error.
  
  Solutions:
  
  Review Time Data: Check the time data for the relevant operations in the production order or planned order. Ensure that all time components are correctly defined and that there are no negative values.
  Check Master Data: Review the master data for the relevant resources, work centers, and routing. Ensure that all configurations are correct and that there are no inconsistencies.
  Adjust Scheduling Parameters: If the error is related to scheduling, review the scheduling parameters and dependencies to ensure that they are set correctly.
  Recalculate: After making any necessary adjustments, recalculate the planning object to see if the error persists.
  Consult Documentation: Refer to SAP documentation or notes related to this error for any specific guidance or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/OM_ORDER or /SAPAPO/OM_ORDER_DISPLAY to view and edit the relevant orders.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists after troubleshooting, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.